Units

Tools *

Data Submission »

New Request

Download »

Ontology »

Experimental Data Ontologies »

Crop »

Create

Search

Trial Type »

Create

Search

Factor »

Create

Search

Season »

Create

Search

Growth Facility Type »

Create

Search

Experimental Design Type »

Create

Search

Germplasm Ontologies »

Collecting Source »

Create

Search

Biological Status »

Create

Search

MLS Status »

Create

Search

Taxonomy »

Create

Search

Storage type »

Create

Search

Attribute Category »

Create

Search

Attribute »

Create

Search

Breeding Method »

Create

Search

Generation »

Create

Search

Phenotyping Ontologies »

Anatomical Entity »

Create

Search

Developmental Stage »

Create

Search

Trait »

Create

Search

Metabolic Trait »

Create

Search

Analyte Identification Level »

Create

Search

Analyte Annotation Level »

Create

Search

Metabolite Class »

Create

Search

Analyte Health & Flavor »

Create

Search

Observation Variable Method Class »

Create

Search

Data Type »

Create

Search

Scale Category »

Create

Search

Genotyping Ontologies »

Sequencing Instrument »

Create

Search

Sequencing Type »

Create

Search

Variant Call Software »

Create

Search

Enzyme »

Create

Search

Genetic Analysis Software »

Create

Search

Variant Ontologies »

Variant Association Software »

Create

Search

QTL Method »

Create

Search

Ci Criteria »

Create

Search

QTL Statistic »

Create

Search

GWAS Model »

Create

Search

Kinship Algorithm »

Create

Search

Structure Method »

Create

Search

Genetic Testing Model »

Create

Search

Allelic Effect Estimator »

Create

Search

GWAS Stat Test »

Create

Search

Trait Preprocessing »

Create

Search

Threshold Method »

Create

Search

Country »

Create

Search

Institute »

Create

Search

Unit »

Create

Search

Synonym »

Create

Search

More »

Contact »

Create

Search

Location »

Create

Search

Experimental Data

Program »

Create

Search

Trial »

Create

Search

Study »

Create

Search

Sample »

Create

Search

Observation Level »

Create

Search

Germplasm

Species »

Create

Search

Germplasm »

Create

Search

Cross »

Create

Search

Collection »

Create

Search

Collecting Mission »

Create

Upload From Excel

Search

Accession »

Create

Search

Attribute »

Create

Search

Attribute Trait Value »

Create

Search

Pedigree »

Create

Search

Mapping Population »

Create

Search

Phenotyping Data

Metabolite »

Create

Search

Analyte »

Create

Search

Traits »

Create

Search

Observation Value »

Create

Search

Observation Value GOURMETOM »

Observation Variable Method »

Create

Search

Observation Variable »

Create

Search

Genotyping Data

Markers »

Create

Search

Genotyping Platform »

Create

Search

Variants »

Metadata »

Create

Search

Variant Set »

Create

Search

Variant Catalogue

QTL Study »

Create

Search

GWAS Study »

Create

Search

GWAS Variant »

Create

Search

QTL Variant »

Create

Search

QTL Epistatis »

Create

Search

Login

Ontology ID	Name	Parent	Description
UO_0000000	unit		"A unit of measurement is a standardized quantity of a physical quality." [Wikipedia:Wikipedia]
UO_0000001	length unit	UO_0000000	"A unit which is a standard measure of the distance between two points." [Wikipedia:Wikipedia]
UO_0000002	mass unit	UO_0000000	"A unit which is a standard measure of the amount of matter/energy of a physical object." [Wikipedia:Wikipedia]
UO_0000003	time unit	UO_0000000	"A unit which is a standard measure of the dimension in which events occur in sequence." [Wikipedia:Wikipedia]
UO_0000004	electric current unit	UO_0000000	"A unit which is a standard measure of the flow of electric charge." [Wikipedia:Wikipedia]
UO_0000005	temperature unit	UO_0000000	"A unit which is a standard measure of the average kinetic energy of the particles in a sample of matter." [Wikipedia:Wikipedia]
UO_0000006	substance unit	UO_0000000	"A unit which is a standardised quantity of an element or compound with uniform composition." [Wikipedia:Wikipedia]
UO_0000007	luminous intensity unit	UO_0000157	"A unit which is a standard measure of the wavelength-weighted power emitted by a light source in a particular direction." [Wikipedia:Wikipedia]
UO_0000008	meter	UO_0000001	"A length unit which is equal to the length of the path traveled by light in vacuum during a time interval of 1/299 792 458 of a second." [BIPM:BIPM, NIST:NIST]
UO_0000009	kilogram	UO_1000021	"A mass unit which is equal to the mass of the International Prototype Kilogram kept by the BIPM at Svres, France." [BIPM:BIPM, NIST:NIST]
UO_0000010	second	UO_0000003	"A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom." [BIPM:BIPM, NIST:NIST]
UO_0000011	ampere	UO_1000011	"An electric current unit which is equal to the constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 m apart in vacuum, would produce between these conductors a force equal to 2 x 10^[-7] newton per meter of length." [BIPM:BIPM, NIST:NIST]
UO_0000012	kelvin	UO_1000012	"A thermodynamic temperature unit which is equal to the fraction 1/273.16 of the thermodynamic temperature of the triple point of water." [BIPM:BIPM, NIST:NIST]
UO_0000013	mole	UO_0000006	"A substance unit which is equal to the amount of substance of a molecular system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12." [BIPM:BIPM, NIST:NIST]
UO_0000014	candela	UO_0000007	"A luminous intensity unit which equal to the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian." [BIPM:BIPM, NIST:NIST]
UO_0000015	centimeter	UO_0000001	"A length unit which is equal to one hundredth of a meter or 10^[-2] m." [NIST:NIST]
UO_0000016	millimeter	UO_0000001	"A length unit which is equal to one thousandth of a meter or 10^[-3] m." [NIST:NIST]
UO_0000017	micrometer	UO_0000001	"A length unit which is equal to one millionth of a meter or 10^[-6] m." [NIST:NIST]
UO_0000018	nanometer	UO_0000001	"A length unit which is equal to one thousandth of one millionth of a meter or 10^[-9] m." [NIST:NIST]
UO_0000019	angstrom	UO_1000019	"A length unit which is equal to 10 [-10] m." [NIST:NIST]
UO_0000020	picometer	UO_0000001	"A length unit which is equal to 10^[-12] m." [NIST:NIST]
UO_0000021	gram	UO_1000021	"A mass unit which is equal to one thousandth of a kilogram or 10^[-3] kg." [NIST:NIST]
UO_0000022	milligram	UO_1000021	"A mass unit which is equal to one thousandth of a gram or 10^[-3] g." [UOC:GVG]
UO_0000023	microgram	UO_1000021	"A mass unit which is equal to one millionth of a gram or 10^[-6] g." [UOC:GVG]
UO_0000024	nanogram	UO_1000021	"A mass unit which is equal to one thousandth of one millionth of a gram or 10^[-9] g." [UOC:GVG]
UO_0000025	picogram	UO_1000021	"A mass unit which is equal to 10^[-12] g." [UOC:GVG]
UO_0000026	femtogram	UO_1000021	"A mass unit which is equal to 10^[-15] g." [NIST:NIST]
UO_0000027	degree Celsius	UO_1000027	"A temperature unit which is equal to one kelvin degree. However, they have their zeros at different points. The centigrade scale has its zero at 273.15 K." [NIST:NIST]
UO_0000028	millisecond	UO_0000003	"A time unit which is equal to one thousandth of a second or 10^[-3] s." [NIST:NIST]
UO_0000029	microsecond	UO_0000003	"A time unit which is equal to one millionth of a second or 10^[-6] s." [NIST:NIST]
UO_0000030	picosecond	UO_0000003	"A time unit which is equal to 10^[-12] s." [NIST:NIST]
UO_0000031	minute	UO_0000003	"A time unit which is equal to 60 seconds." [Wikipedia:Wikipedia]
UO_0000032	hour	UO_0000003	"A time unit which is equal to 3600 seconds or 60 minutes." [Wikipedia:Wikipedia]
UO_0000033	day	UO_0000003	"A time unit which is equal to 24 hours." [Wikipedia:Wikipedia]
UO_0000034	week	UO_0000003	"A time unit which is equal to 7 days." [Wikipedia:Wikipedia]
UO_0000035	month	UO_0000003	"A time unit which is approximately equal to the length of time of one of cycle of the moon's phases which in science is taken to be equal to 30 days." [Wikipedia:Wikipedia]
UO_0000036	year	UO_0000003	"A time unit which is equal to 12 months which in science is taken to be equal to 365.25 days." [Wikipedia:Wikipedia]
UO_0000037	milliampere	UO_1000011	"An electric current unit current which is equal to one thousandth of an ampere or 10^[-3] A." [UOC:GVG]
UO_0000038	microampere	UO_1000011	"An electric current unit current which is equal to one millionth of an ampere or 10^[-6] A." [UOC:GVG]
UO_0000039	micromole	UO_0000006	"A substance unit equal to a millionth of a mol or 10^[-6] mol." [NIST:NIST]
UO_0000040	millimole	UO_0000006	"A substance unit equal to a thousandth of a mol or 10^[-3] mol." [NIST:NIST]
UO_0000041	nanomole	UO_0000006	"A substance unit equal to one thousandth of one millionth of a mole or 10^[-9] mol." [NIST:NIST]
UO_0000042	picomole	UO_0000006	"A substance unit equal to 10^[-12] mol." [NIST:NIST]
UO_0000043	femtomole	UO_0000006	"A substance unit equal to 10^[-15] mol." [NIST:NIST]
UO_0000044	attomole	UO_0000006	"A substance unit equal to 10^[-18] mol." [NIST:NIST]
UO_0000045	base unit	UO_0000000	"A unit which is one of a particular measure to which all measures of that type can be related." [NIST:NIST]
UO_0000046	prefix
UO_0000047	area unit	UO_0000000	"A unit which is a standard measure of the amount of a 2-dimensional flat surface." [UOC:GVG]
UO_0000048	acceleration unit	UO_0000000	"A unit which is a standard measure of the rate of change of velocity in either speed or direction." [Wikipedia:Wikipedia]
UO_0000049	angular velocity unit	UO_0000000	"A unit which is a standard measure of the rate of angular movement about an axis;the angle rotated in a given time." [Wikipedia:Wikipedia]
UO_0000050	angular acceleration unit	UO_0000000	"A unit which is a standard measure of the rate of change of angular velocity." [Wikipedia:Wikipedia]
UO_0000051	concentration unit	UO_0000000	"A unit which represents a standard measurement of how much of a given substance there is mixed with another substance." [UOC:GVG]
UO_0000052	mass density unit	UO_0000182	"A density unit which is a standard measure of the mass of a substance in a given volume." [UOC:GVG]
UO_0000053	luminance unit	UO_0000157	"A unit which is a standard measure of the luminous intensity impinging on a given area." [Wikipedia:Wikipedia]
UO_0000054	area density unit	UO_0000182	"A density unit which is a standard measure of the mass exerting an influence on a given area." [Wikipedia:Wikipedia]
UO_0000055	molar mass unit	UO_0000002	"A unit which is a standard measure of the mass of a homogeneous substance containing 6.02 x 1023 atoms or molecules." [Wikipedia:Wikipedia]
UO_0000056	molar volume unit	UO_0000095	"A unit which is a standard measure of the volume of a homogeneous substance containing 6.02 x 1023 atoms or molecules." [Wikipedia:Wikipedia]
UO_0000057	momentum unit	UO_0000000	"A unit which is a standard measure of the quantity of motion measured by the product of mass and velocity." [Wikipedia:Wikipedia]
UO_0000058	rotational frequency unit	UO_0000105	"A unit which is a standard measure of the number of rotations in a given time." [NIST:NIST]
UO_0000059	specific volume unit	UO_0000095	"A unit which is a standard measure of the volume of a given mass of substance (the reciprocal of density)." [Wikipedia:Wikipedia]
UO_0000060	speed/velocity unit	UO_0000000	"A unit which is a standard measure of the rate of movement. Speed is measured in the same physical units of measurement as velocity, but does not contain the element of direction that velocity has. Speed is thus the magnitude component of velocity." [Wikipedia:Wikipedia]
UO_0000061	unit of molarity	UO_0000051	"A concentration unit which is a standard measure of the number of moles of a given substance per liter of solution." [UOC:GVG]
UO_0000062	molar	UO_1000062	"A unit of concentration which expresses a concentration of 1 mole of solute per liter of solution (mol/L)." [UOC:GVG]
UO_0000063	millimolar	UO_1000062	"A unit of molarity which is equal to one thousandth of a molar or 10^[-3] M." [UOC:GVG]
UO_0000064	micromolar	UO_1000062	"A unit of molarity which is equal to one millionth of a molar or 10^[-6] M." [UOC:GVG]
UO_0000065	nanomolar	UO_1000062	"A unit of molarity which is equal to one thousandth of one millionth of a molar or 10^[-9] M." [UOC:GVG]
UO_0000066	picomolar	UO_1000062	"A unit of molarity which is equal to 10^[-12] M." [UOC:GVG]
UO_0000067	unit of molality	UO_0000051	"A concentration unit which is a standard measure of the number of moles of a given substance per kilogram of solvent." [UOC:GVG]
UO_0000068	molal	UO_0000067	"A unit of concentration which expresses a concentration of a solution of 1 mole per kilogram of solvent (mol/kg)." [UOC:GVG]
UO_0000069	millimolal	UO_0000067	"A molality unit which is equal to one thousandth of a molal or 10^[-3] m." [UOC:GVG]
UO_0000070	micromolal	UO_0000067	"A molality unit which is equal to one millionth of a molal or 10^[-6] m." [UOC:GVG]
UO_0000071	nanomolal	UO_0000067	"A molality unit which is equal to one thousandth of one millionth of a molal or 10^[-9] m." [UOC:GVG]
UO_0000072	picomolal	UO_0000067	"A molality unit which is equal to 10^[-12] m." [UOC:GVG]
UO_0000073	femtomolar	UO_1000062	"A unit of molarity which is equal to 10^[-15] M." [UOC:GVG]
UO_0000074	unit of normality	UO_0000051	"A unit of concentration which highlights the chemical nature of salts." [Wikipedia:Wikipedia]
UO_0000075	normal	UO_0000074	"A unit of concentration which is one gram equivalent of a solute per liter of solution. A gram equivalent weight or equivalent is a measure of the reactive capacity of a given molecule." [Wikipedia:Wikipedia]
UO_0000076	mole fraction	UO_0000191	"A concentration unit which denotes the number of moles of solute as a proportion of the total number of moles in a solution." [Wikipedia:Wikipedia]
UO_0000077	meter per second per second	UO_0000048	"An acceleration unit which is equal to the acceleration an object changing its velocity by 1meter/s over a time period that equals one second." [NIST:NIST]
UO_0000078	radian per second per second	UO_1000078	"An angular unit acceleration which is equal to the angular acceleration of an object changing its angular velocity by 1rad/s over a time period that equals one second." [NIST:NIST]
UO_0000079	radian per second	UO_0000049	"An angular unit velocity which is equal to about 9.54930 rpm (revolutions per minute)." [NIST:NIST]
UO_0000080	square meter	UO_1000080	"An area unit which is equal to an area enclosed by a square with sides each 1 meter long." [NIST:NIST]
UO_0000081	square centimeter	UO_1000081	"An area unit which is equal to one ten thousandth of a square meter or 10^[-4] m^[2]." [NIST:NIST]
UO_0000082	square millimeter	UO_1000082	"An area unit which is equal to one millionth of a square meter or 10^[-6] m^[2]." [NIST:NIST]
UO_0000083	kilogram per cubic meter	UO_0000052	"A mass unit density which is equal to mass of an object in kilograms divided by the volume in cubic meters." [UOC:GVG]
UO_0000084	gram per cubic centimeter	UO_1000084	"A mass unit density which is equal to mass of an object in grams divided by the volume in cubic centimeters." [UOC:GVG]
UO_0000085	candela per square meter	UO_1000085	"A luminance unit which is equal to a luminous intensity of one candela radiating from a surface whose area is one square meter." [NIST:NIST]
UO_0000086	kilogram per square meter	UO_0000054	"An area density unit which is equal to the mass of an object in kilograms divided by the surface area in meters squared." [NIST:NIST]
UO_0000087	kilogram per mole	UO_1000088	"A molar mass unit which is equal to one kilogram of mass of one mole of chemical element or chemical compound." [NIST:NIST]
UO_0000088	gram per mole	UO_1000088	"A molar mass unit which is equal to one gram of mass of one mole of chemical element or chemical compound." [NIST:NIST]
UO_0000089	cubic meter per mole	UO_0000056	"A molar volume unit which is equal to 1 cubic meter occupied by one mole of a substance in the form of a solid, liquid, or gas." [NIST:NIST]
UO_0000090	cubic centimeter per mole	UO_1000090	"A molar volume unit which is equal to 1 cubic centimeter occupied by one mole of a substance in the form of a solid, liquid, or gas." [NIST:NIST]
UO_0000091	kilogram meter per second	UO_0000057	"A momentum unit which is equal to the momentum of a one kilogram mass object with a speed of one meter per second." [NIST:NIST]
UO_0000092	turns per second	UO_0000058	"A rotational frequency unit which is equal to the number complete turn in a period of time that equals to 1 second." [NIST:NIST]
UO_0000093	cubic meter per kilogram	UO_0000059	"A specific volume unit which is equal to one cubic meter volume occupied by one kilogram of a particular substance." [NIST:NIST]
UO_0000094	meter per second	UO_1000094	"A speed/velocity unit which is equal to the speed of an object traveling 1 meter distance in one second." [NIST:NIST]
UO_0000095	volume unit	UO_0000000	"A unit which is a standard measure of the amount of space occupied by any substance, whether solid, liquid, or gas." [NIST:NIST]
UO_0000096	cubic meter	UO_0000095	"A volume unit which is equal to the volume of a cube with edges one meter in length. One cubic meter equals to 1000 liters." [NIST:NIST]
UO_0000097	cubic centimeter	UO_1000097	"A volume unit which is equal to one millionth of a cubic meter or 10^[-9] m^[3], or to 1 ml." [NIST:NIST]
UO_0000098	milliliter	UO_1000099	"A volume unit which is equal to one thousandth of a liter or 10^[-3] L, or to 1 cubic centimeter." [NIST:NIST]
UO_0000099	liter	UO_1000099	"A volume unit which is equal to one thousandth of a cubic meter or 10^[-3] m^[3], or to 1 decimeter." [NIST:NIST]
UO_0000100	cubic decimeter	UO_0000095	"A volume unit which is equal to one thousand of a cubic meter or 10^[-3] m^[3], or to 1 L." [NIST:NIST]
UO_0000101	microliter	UO_1000099	"A volume unit which is equal to one millionth of a liter or 10^[-6] L." [NIST:NIST]
UO_0000102	nanoliter	UO_1000099	"A volume unit which is equal to one thousandth of one millionth of a liter or 10^[-9] L." [NIST:NIST]
UO_0000103	picoliter	UO_1000099	"A volume unit which is equal to 10^[-12] L." [NIST:NIST]
UO_0000104	femtoliter	UO_1000099	"A volume unit which is equal to 10^[-15] L." [NIST:NIST]
UO_0000105	frequency unit	UO_0000000	"A unit which is a standard measure of the number of repetitive actions in a particular time." [NIST:NIST]
UO_0000106	hertz	UO_1000106	"A frequency unit which is equal to 1 complete cycle of a recurring phenomenon in 1 second." [NIST:NIST]
UO_0000107	force unit	UO_0000000	"A unit which is a standard measure of the force is applied when a mass is accelerated." [NIST:NIST]
UO_0000108	newton	UO_0000107	"A force unit which is equal to the force required to cause an acceleration of 1m/s2 of a mass of 1 Kg in the direction of the force." [NIST:NIST]
UO_0000109	pressure unit	UO_0000000	"A unit which is a standard measure of the force applied to a given area." [NIST:NIST]
UO_0000110	pascal	UO_0000109	"A pressure unit which is equal to the pressure or stress on a surface caused by a force of 1 newton spread over a surface of 1 m^[2]." [NIST:NIST]
UO_0000111	energy unit	UO_0000000	"A unit which is a standard measure of the work done by a certain force (gravitational, electric, magnetic, force of inertia, etc)." [NIST:NIST]
UO_0000112	joule	UO_0000111	"An energy unit which is equal to the energy required when a force of 1 newton moves an object 1 meter in the direction of the force." [NIST:NIST]
UO_0000113	power unit	UO_0000000	"A unit which is a standard measure power or the rate of doing work." [NIST:NIST]
UO_0000114	watt	UO_1000114	"A power unit which is equal to the power used when work is done at the rate of 1 joule per second." [NIST:NIST]
UO_0000115	illuminance unit	UO_0000157	"A unit which is a standard measure of the luminous flux incident on a unit area." [Wikipedia:Wikipedia]
UO_0000116	lux	UO_1000116	"An illuminance unit which is equal to the illuminance produced by 1 lumen evenly spread over an area 1 m^[2]." [NIST:NIST]
UO_0000117	luminous flux unit	UO_0000157	"A unit which is a standard measure of the flow of radiant energy." [Wikipedia:Wikipedia]
UO_0000118	lumen	UO_0000117	"A luminous flux unit which is equal to the luminous flux emitted into 1 steradian by a point source of 1 candela." [NIST:NIST]
UO_0000119	catalytic activity unit	UO_0000000	"A unit which is a standard measure of the amount of the action of a catalyst." [NIST:NIST]
UO_0000120	katal	UO_1000120	"A catalytic unit activity which is equal to the activity of a catalyst in moles per second, such as the amount of an enzyme needed to transform one mole of substrate per second." [NIST:NIST]
UO_0000121	angle unit	UO_0000000	"A unit which is a standard measure of the figure or space formed by the junction of two lines or planes." [Wikipedia:Wikipedia]
UO_0000122	plane angle unit	UO_0000121	"A unit which is a standard measure of the angle formed by two straight lines in the same plane." [Wikipedia:Wikipedia]
UO_0000123	radian	UO_0000122	"A plane angle unit which is equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57 degrees 17 minutes and 44.6 seconds." [NIST:NIST]
UO_0000124	solid angle unit	UO_0000121	"A unit which is a standard measure of the angle formed by three or more planes intersecting at a common point." [Wikipedia:Wikipedia]
UO_0000125	steradian	UO_1000125	"A solid angle unit which is equal to the solid angle subtended at the center of a sphere by an area on the surface of the sphere that is equal to the radius squared." [NIST:NIST]
UO_0000127	radiation unit	UO_0000000	"A unit which is a standard measure of the amount of radiation emitted by a given radiation source as well as the amount of radiation absorbed or deposited in a specific material by a radiation source." [OCRBS:OCRBS]
UO_0000128	activity (of a radionuclide) unit	UO_0000127	"A unit which is a standard measure of the transformation (disintegration) rate of a radioactive substance." [DEFRA:DEFRA]
UO_0000129	absorbed dose unit	UO_0000127	"A unit which is a standard measure of the energy imparted by ionizing radiation to unit mass of matter such as tissue." [DEFRA:DEFRA]
UO_0000130	dose equivalent unit	UO_0000127	"A unit which is a standard measure of the expression of dose in terms of its biological effect." [ORCBS:ORCBS]
UO_0000131	exposure unit	UO_0000127	"A unit which is a standard measure of the quantity that expresses the ability of radiation to ionize air and thereby create electric charges which can be collected and measured." [ORCBS:ORCBS]
UO_0000132	becquerel	UO_1000132	"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which one nucleus decays per second or there is one atom disintegration per second (dps)." [NIST:NIST]
UO_0000133	curie	UO_1000133	"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which there are 3.7 x 10^[10] atom disintegration per second (dps)." [ORCBS:ORCBS]
UO_0000134	gray	UO_1000134	"An absorbed dose unit which is equal to the absorption of one joule of radiation energy by one kilogram of matter." [NIST:NIST]
UO_0000135	rad	UO_1000135	"An absorbed dose unit which is equal to 0.01 gray (Gy)." [Wikipedia:Wikipedia]
UO_0000136	roentgen	UO_0000131	"An exposure unit which is equal to the amount of radiation required to liberate positive and negative charges of one electrostatic unit of charge in 1 cm^[3] of air at standard temperature and pressure (STP). This corresponds to the generation of approximately 2.0810^[9] ion pairs." [Wikipedia:Wikipedia]
UO_0000137	sievert	UO_1000137	"A dose equivalent unit which is equal to the absorption of one joule of radiation energy by one kilogram of matter." [NIST:NIST]
UO_0000138	millisievert	UO_1000137	"A dose equivalent unit which is equal to one thousandth of a sievert or 10^[-3] Sv." [NIST:NIST]
UO_0000139	microsievert	UO_1000137	"A dose equivalent unit which is equal to one millionth of a sievert or 10^[-6] Sv." [NIST:NIST]
UO_0000140	Roentgen equivalent man	UO_0000130	"A dose equivalent unit which when multiplied by hundred is equal to one sievert or 1 Sv. 1 Sv is equal to 100 rem." [Wikipedia:Wikipedia]
UO_0000141	microgray	UO_1000134	"An absorbed dose unit which is equal to one millionth of a gray or 10^[-6] Gy." [NIST:NIST]
UO_0000142	milligray	UO_1000134	"An absorbed dose unit which is equal to one thousandth of a gray or 10^[-3] Gy." [NIST:NIST]
UO_0000143	nanogray	UO_1000134	"An absorbed dose unit which is equal to one thousandth of a millionth of a gray or 10^[-9] Gy." [NIST:NIST]
UO_0000144	nanosievert	UO_1000137	"A dose equivalent unit which is equal to one thousandth of a millionth of a sievert or 10^[-9] Sv." [NIST:NIST]
UO_0000145	millicurie	UO_1000133	"An activity (of a radionuclide) unit which is equal to one thousandth of a curie or 10^[-3] Ci." [ORCBS:ORCBS]
UO_0000146	microcurie	UO_1000133	"An activity (of a radionuclide) unit which is equal to one millionth of a curie or 10^[-6] Ci." [ORCBS:ORCBS]
UO_0000147	disintegrations per minute	UO_1000147	"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which one nucleus decays per minute or there is one atom disintegration per minute." [ORCBS:ORCBS]
UO_0000148	counts per minute	UO_1000148	"An activity (of a radionuclide) unit which is equal to the number of light emissions produced by ionizing radiation in one minute." [ORCBS:ORCBS]
UO_0000150	nanosecond	UO_0000003	"A time unit which is equal to one thousandth of one millionth of a second or 10^[-9] s." [NIST:NIST]
UO_0000151	century	UO_0000003	"A time unit which is equal to 100 years." [Wikipedia:Wikipedia]
UO_0000152	half life	UO_0000003	"A time unit which represents the period over which the activity or concentration of a specified chemical or element falls to half its original activity or concentration." [MGED:MGED]
UO_0000153	foot candle	UO_1000153	"An illuminance unit which is equal to the illuminance produced by 1 lumen evenly spread over an area 1 foot^[2]. One footcandle is equal to 10.76 lux." [Wikipedia:Wikipedia]
UO_0000154	irradiance unit	UO_0000157	"A unit which is a standard measure of the power of electromagnetic radiation at a surface, per unit area." [Wikipedia:Wikipedia]
UO_0000155	watt per square meter	UO_0000154	"An irradiance unit which is equal to 1 watt of radiant power incident per one square meter surface area." [NIST:NIST]
UO_0000156	einstein per square meter per second	UO_0000154	"An irradiance unit which is equal to one einstein per square meter per second. One einstein is one mole of photons, regardless of their frequency. Therefore, the number of photons in an einstein is Avogadro's number." [Wikipedia:Wikipedia]
UO_0000157	light unit	UO_0000000	"A unit which is a standard measure of the intensity of light." [NIST:NIST]
UO_0000158	watt per steradian per square meter	UO_0000161	"A radiance unit which is equal to one watt of radiant power incident per steradian solid angle per one square meter projected area of the source, as viewed from the given direction." [NIST:NIST]
UO_0000159	radiant intensity unit	UO_0000157	"A unit which is a standard measure of the intensity of electromagnetic radiation." [Wikipedia:Wikipedia]
UO_0000160	microeinstein per square meter per second	UO_0000154	"An irradiance unit which is equal to one microeinstein per square meter per second or 10^[-6] microeinstein/sm^[2]." [Wikipedia:Wikipedia]
UO_0000161	radiance unit	UO_0000157	"A unit which is a standard measure of the power of electromagnetic radiation through space or through a material medium in the form of electromagnetic waves." [Wikipedia:Wikipedia]
UO_0000162	watt per steradian	UO_0000159	"A radiant intensity unit which is equal to one kilogram meter squared per second cubed per steradian." [NIST:NIST]
UO_0000163	mass percentage	UO_1000163	"A dimensionless concentration unit which denotes the mass of a substance in a mixture as a percentage of the mass of the entire mixture." [Wikipedia:Wikipedia]
UO_0000164	mass volume percentage	UO_1000164	"A dimensionless concentration unit which denotes the mass of the substance in a mixture as a percentage of the volume of the entire mixture." [UOC:GVG]
UO_0000165	volume percentage	UO_0000205	"A dimensionless concentration unit which denotes the volume of the solute in mL per 100 mL of the resulting solution." [UOC:GVG]
UO_0000166	parts per notation unit	UO_0000186	"A dimensionless concentration notation which describes the amount of one substance in another. It is the ratio of the amount of the substance of interest to the amount of that substance plus the amount of the substance." [Wikipedia:Wikipedia]
UO_0000167	parts per hundred	UO_1000167	"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 100 regardless of the units of measure as long as they are the same." [UOC:GVG]
UO_0000168	parts per thousand	UO_0000166	"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1000 regardless of the units of measure as long as they are the same." [UOC:GVG]
UO_0000169	parts per million	UO_1000169	"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[6]." [UOC:GVG]
UO_0000170	parts per billion	UO_1000170	"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure as long as they are the same or 1 part in 10^[9]." [UOC:GVG]
UO_0000171	parts per trillion	UO_1000171	"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[12]." [UOC:GVG]
UO_0000172	parts per quadrillion	UO_0000166	"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[15]." [UOC:GVG]
UO_0000173	gram per milliliter	UO_1000173	"A mass unit density which is equal to mass of an object in grams divided by the volume in milliliter." [UOC:GVG]
UO_0000174	kilogram per liter	UO_0000052	"A mass unit density which is equal to mass of an object in kilograms divided by the volume in liters." [UOC:GVG]
UO_0000175	gram per liter	UO_0000052	"A mass unit density which is equal to mass of an object in grams divided by the volume in liters." [UOC:GVG]
UO_0000176	milligram per milliliter	UO_0000052	"A mass unit density which is equal to mass of an object in milligrams divided by the volume in milliliters." [UOC:GVG]
UO_0000177	unit per volume unit	UO_0000051	"A concentration unit which is a standard measure of the number of units, as an agreed arbitrary amount, of a given substance per a specific volume of solution." [Webmd:Webmd]
UO_0000178	unit per milliliter	UO_0000177	"A unit per milliliter unit which is equal to one unit of an agreed arbitrary amount per one milliliter." [Webmd:Webmd]
UO_0000179	unit per liter	UO_0000177	"A unit per milliliter unit which is equal to one unit of an agreed arbitrary amount per one liter." [UOC:GVG]
UO_0000180	mass per unit volume	UO_1000180	"A concentration unit which is a standard measure of the mass of a substance in a given volume (density)." [Wikipedia:Wikipedia]
UO_0000181	enzyme unit	UO_1000181	"A catalytic unit activity which is equal to the amount of the enzyme that catalyzes the conversion of 1 micro mole of substrate per minute." [Wikipedia:Wikipedia]
UO_0000182	density unit	UO_0000000	"A unit which is a standard measure of the influence exerted by some mass." [Wikipedia:Wikipedia]
UO_0000183	linear density unit	UO_0000182	"A density unit which is a standard measure of the mass exerting an influence on a one-dimensional object." [Wikipedia:Wikipedia]
UO_0000184	kilogram per meter	UO_0000183	"An area density unit which is equal to the mass of an object in kilograms divided by one meter." [NIST:NIST]
UO_0000185	degree	UO_1000185	"A plane angle unit which is equal to 1/360 of a full rotation or 1.7453310^[-2] rad." [Wikipedia:Wikipedia]
UO_0000186	dimensionless unit	UO_0000000	"A unit which is a standard measure of physical quantity consisting of only a numerical number without any units." [Wikipedia:Wikipedia]
UO_0000187	percent	UO_0000190	"A dimensionless ratio unit which denotes numbers as fractions of 100." [Wikipedia:Wikipedia]
UO_0000188	pi	UO_1000188	"A dimensionless unit which denoted an irrational real number, approximately equal to 3.14159 which is the ratio of a circle's circumference to its diameter in Euclidean geometry." [Wikipedia:Wikipedia]
UO_0000189	count unit	UO_0000186	"A dimensionless unit which denotes a simple count of things." [MGED:MGED]
UO_0000190	ratio	UO_0000186	"A dimensionless unit which denotes an amount or magnitude of one quantity relative to another." [Wikipedia:Wikipedia]
UO_0000191	fraction	UO_0000190	"A dimensionless ratio unit which relates the part (the numerator) to the whole (the denominator)." [Wikipedia:Wikipedia]
UO_0000192	molecule count	UO_1000192	"A dimensionless count unit which denotes the number of molecules." [MGED:MGED]
UO_0000193	purity percentage	UO_1000193	"A dimensionless percent unit which denotes the homogeneity of a biomaterial." [MGED:MGED]
UO_0000194	confluence percentage	UO_1000194	"A dimensionless percent unit which denotes the density of an attached or monolayer culture (e.g., cell culture)." [MGED:MGED]
UO_0000195	degree Fahrenheit	UO_1000195	"A temperature unit which is equal to 5/9ths of a kelvin. Negative 40 degrees Fahrenheit is equal to negative 40 degrees Celsius." [Wikipedia:Wikipedia]
UO_0000196	pH	UO_0000186	"A dimensionless concentration notation which denotes the acidity of a solution in terms of activity of hydrogen ions (H+)." [Wikipedia:Wikipedia]
UO_0000197	liter per kilogram	UO_0000059	"A specific volume unit which is equal to one liter volume occupied by one kilogram of a particular substance." [NIST:NIST]
UO_0000198	milliliter per kilogram	UO_0000059	"A specific volume unit which is equal to a thousandth of a liter per kilogram or 10^[-3] l/kg." [NIST:NIST]
UO_0000199	microliter per kilogram	UO_0000059	"A specific volume unit which is equal to one millionth of a liter per kilogram or 10^[-6] l/kg." [NIST:NIST]
UO_0000200	cell concentration unit	UO_0000051	"A concentration unit which denotes the average cell number in a given volume." [Bioedonline:Bioedonline]
UO_0000201	cells per milliliter	UO_0000200	"A unit of cell concentration which is equal to one cell in a volume of 1 milliliter." [Bioedonline:Bioedonline]
UO_0000202	catalytic (activity) concentration unit	UO_0000051	"A concentration unit which is a standard measure of the amount of the action of a catalyst in a given volume." [UOC:GVG]
UO_0000203	katal per cubic meter	UO_1000203	"A catalytic (activity) concentration unit which is equal to 1 katal activity of a catalyst in a given volume of one cubic meter." [NIST:NIST]
UO_0000204	katal per liter	UO_1000204	"A catalytic (activity) concentration unit which is equal to 1 katal activity of a catalyst in a given volume of one thousandth of a cubic meter." [NIST:NIST]
UO_0000205	volume per unit volume	UO_0000051	"A dimensionless concentration unit which denotes the given volume of the solute in the total volume of the resulting solution." [NIST:NIST]
UO_0000206	milliliter per cubic meter	UO_0000205	"A volume per unit volume unit which is equal to one millionth of a liter of solute in one cubic meter of solution." [NIST:NIST]
UO_0000207	milliliter per liter	UO_0000205	"A volume per unit volume unit which is equal to one millionth of a liter of solute in one liter of solution." [NIST:NIST]
UO_0000208	gram per deciliter	UO_0000052	"A mass density unit which is equal to mass of an object in grams divided by the volume in deciliters." [UOC:GVG]
UO_0000209	deciliter	UO_1000099	"A volume unit which is equal to one tenth of a liter or 10^[-1] L." [NIST:NIST]
UO_0000210	colony forming unit	UO_0000189	"A dimensionless count unit which a measure of viable bacterial numbers." [Wikipedia:Wikipedia]
UO_0000211	plaque forming unit	UO_0000189	"A dimensionless count unit which a measure of plague forming units in a given volume." [Wikipedia:Wikipedia]
UO_0000212	colony forming unit per volume	UO_0000051	"A concentration unit which a measure of viable bacterial numbers in a given volume." [Wikipedia:Wikipedia]
UO_0000213	colony forming unit per milliliter	UO_0000212	"A colony forming unit which a measure of viable bacterial numbers in one milliliter." [Wikipedia:Wikipedia]
UO_0000214	plaque forming unit per volume	UO_0000051	"A concentration unit which a measure of plague forming units in a given volume." [UOC:GVG]
UO_0000215	plaque forming unit per milliliter	UO_0000214	"A concentration unit which a measure of plague forming units in one milliliter." [UOC:GVG]
UO_0000216	disintegrations per second	UO_0000128	"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which one nucleus decays per second or there is one atom disintegration per second." [ORCBS:ORCBS]
UO_0000217	electric potential difference unit	UO_0000000	"A unit which is a standard measure of the work done per unit charge as a charge is moved between two points in an electric field." [Wikipedia:Wikipedia]
UO_0000218	volt	UO_1000218	"An electric potential difference unit which is equal to the work per unit charge. One volt is the potential difference required to move one coulomb of charge between two points in a circuit while using one joule of energy." [Wikipedia:Wikipedia]
UO_0000219	electric charge	UO_0000000	"A unit which is a standard measure of the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons." [WordNet:WordNet]
UO_0000220	coulomb	UO_1000220	"An electrical charge unit which is equal to the amount of charge transferred by a current of 1 ampere in 1 second." [WordNet:WordNet]
UO_0000221	dalton	UO_0000002	"An independently to the base SI units defined mass unit which is equal to one twelfth of the mass of an unbound atom of the carbon-12 nuclide, at rest and in its ground state." [Wikipedia:Wikipedia]
UO_0000222	kilodalton	UO_0000002	"A mass unit which is equal to one thousand daltons." [Wikipedia:Wikipedia]
UO_0000223	watt-hour	UO_1000223	"An energy unit which is equal to the amount of electrical energy equivalent to a one-watt load drawing power for one hour." [Wikipedia:Wikipedia]
UO_0000224	kilowatt-hour	UO_1000223	"An energy unit which is equal to 1,000 watt-hours." [Wikipedia:Wikipedia]
UO_0000225	magnetic flux unit	UO_0000000	"A unit which is a standard measure of quantity of magnetism, taking account of the strength and the extent of a magnetic field." [Wikipedia:Wikipedia]
UO_0000226	weber	UO_1000226	"A magnetic flux unit which is equal to the amount of flux that when linked with a single turn of wire for an interval of one second will induce an electromotive force of one volt." [ScienceLobby:ScienceLobby]
UO_0000227	magnetic flux density unit	UO_0000000	"A unit which is a standard measure of the strength of a magnetic field." [allnet:allnet]
UO_0000228	tesla	UO_0000227	"A magnetic flux density unit which is equal to one weber per square meter." [WordNet:WordNet]
UO_0000229	volt-hour	UO_1000229	"A magnetic flux unit which is equal to 3600 Wb." [UOC:GVG]
UO_0000230	kilovolt-hour	UO_1000229	"A magnetic flux unit which is equal to one thousand volt-hours." [UOC:GVG]
UO_0000231	information unit	UO_0000000	"A unit which is a standard measure of the amount of information." [Wikipedia:Wikipedia]
UO_0000232	bit	UO_0000231	"An information unit which refers to a digit in the binary numeral system, which consists of base 2 digits (ie there are only 2 possible values: 0 or 1)." [Wikipedia:Wikipedia]
UO_0000233	byte	UO_0000231	"An information unit which is equal to 8 bits." [Wikipedia:Wikipedia]
UO_0000234	kilobyte	UO_0000231	"An information unit which is equal to 1000 bytes." [Wikipedia:Wikipedia]
UO_0000235	megabyte	UO_0000231	"An information unit which is equal to 1000 kB." [Wikipedia:Wikipedia]
UO_0000236	image resolution unit	UO_0000231	"An information unit which is a standard measure of the detail an image holds." [Wikipedia:Wikipedia]
UO_0000237	chroma sampling unit	UO_1000237	"An image resolution unit which is a standard measure of the amount of spatial detail in an image." [Wikipedia:Wikipedia]
UO_0000238	dynamic range unit	UO_1000238	"An image resolution unit which is a standard measure of the amount of contrast available in a pixel." [Wikipedia:Wikipedia]
UO_0000239	spatial resolution unit	UO_0000236	"An image resolution unit which is a standard measure of the way luminance and chrominance may be sampled at different levels." [Wikipedia:Wikipedia]
UO_0000240	dots per inch	UO_0000239	"A spatial resolution unit which is a standard measure of the printing resolution, in particular the number of individual dots of ink a printer or toner can produce within a linear one-inch space." [Wikipedia:Wikipedia]
UO_0000241	micron pixel	UO_0000239	"A spatial resolution unit which is equal to a pixel size of one micrometer." [Wikipedia:Wikipedia]
UO_0000242	pixels per inch	UO_0000239	"A spatial resolution unit which is a standard measure of the resolution of a computer display, related to the size of the display in inches and the total number of pixels in the horizontal and vertical directions." [Wikipedia:Wikipedia]
UO_0000243	pixels per millimeter	UO_0000239	"A spatial resolution unit which is a standard measure of the number of pixels in one millimeter length or width of a digital image divided by the physical length or width of a printed image." [Wikipedia:Wikipedia]
UO_0000244	base pair	UO_0000189	"A count unit which contains one nucleotide." [UO:GVG]
UO_0000245	kibibyte	UO_0000231	"An information unit which is equal to 1024 B." [NIST:NIST]
UO_0000246	mebibyte	UO_0000231	"An information unit which is equal to 1024 KiB." [NIST:NIST]
UO_0000247	millivolt	UO_1000218	"An electric potential difference unit which is equal to one thousandth of a volt or 10^[-3] V." [UOC:GVG]
UO_0000248	kilovolt	UO_1000218	"An electric potential difference unit which is equal to one thousand volts or 10^[3] V." [UOC:GVG]
UO_0000249	microvolt	UO_1000218	"An electric potential difference unit which is equal to one millionth of a volt or 10^[-6] V." [UOC:GVG]
UO_0000250	nanovolt	UO_1000218	"An electric potential difference unit which is equal to one billionth of a volt or 10^[-12] V." [UOC:GVG]
UO_0000251	picovolt	UO_1000218	"An electric potential difference unit which is equal to one trillionth of a volt or 10^[-12] V." [UOC:GVG]
UO_0000252	megavolt	UO_1000218	"An electric potential difference unit which is equal to one million volts or 10^[6] V." [UOC:GVG]
UO_0000253	surface tension unit	UO_0000000	"A unit which is a standard measure of the ability of a liguid to attraction of molecules at its surface as a result of unbalanced molecular cohesive forces." [NIST:NIST]
UO_0000254	newton per meter	UO_1000254	"A surface tension unit which is equal to one newton per meter." [NIST:NIST]
UO_0000255	dyne per cm	UO_1000255	"A surface tension unit which is equal to one dyne per centimeter." [Wikipedia:Wikipedia]
UO_0000256	viscosity unit	UO_0000000	"A unit which is a standard measure of the internal resistance of fluids to flow." [UOC:GVG]
UO_0000257	pascal second	UO_1000257	"A viscosity unit which is equal to one pascale per second." [NIST:NIST]
UO_0000258	poise	UO_1000258	"A viscosity unit which is equal to one dyne second per square centimeter." [Wikipedia:Wikipedia]
UO_0000259	decibel	UO_0000190	"A ratio unit which is an indicator of sound power per unit area." [techtarget:techtarget]
UO_0000260	effective dose unit	UO_0000127	"A unit which is a standard measure of the estimate of the stochastic effect that a non-uniform radiation dose has on a human." [Wikipedia:Wikipedia]
UO_0000261	conduction unit	UO_0000000	"A unit which represents a standard measurement of the transmission of an entity through a medium." [UOC:GVG]
UO_0000262	electrical conduction unit	UO_0000261	"A unit which represents a standard measurement of the movement of electrically charged particles through a transmission medium (electrical conductor)." [UOC:GVG]
UO_0000263	heat conduction unit	UO_0000261	"A unit which represents a standard measurement of the spontaneous transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature." [Wikipedia:Wikipedia]
UO_0000264	siemens	UO_0000262	"An electrical conduction unit which is equal to A/V." [NIST:NIST]
UO_0000265	watt per meter kelvin	UO_0000263	"An heat conduction unit which is equal to one watt divided by meter kelvin." [NIST:NIST]
UO_0000266	electronvolt	UO_0000111	"A non-SI unit of energy (eV) defined as the energy acquired by a single unbound electron when it passes through an electrostatic potential difference of one volt. An electronvolt is equal to 1.602 176 53(14) x 10^-19 J." [Wikipedia:Wikipedia]
UO_0000267	electric field strength unit	UO_0000000	"The electric field strength is a unit which is a measure of the potential difference between two points some distance apart." [Wikipedia:http://en.wikipedia.org/wiki/Electric_field]
UO_0000268	volt per meter	UO_0000267	"The volt per meter is a unit of electric field strength equal to the a potential difference of 1 volt existing between two points that are 1 meter apart." [Wikipedia:http://en.wikipedia.org/wiki/Electric_field]
UO_0000269	absorbance unit	UO_1000269	"A dimensionless logarithmic unit assigned to a measure of absorbance of light through a partially absorbing substance, defined as -log10(I/I_0) where I = transmitted light and I_0 = incident light." [Wikipedia:http://en.wikipedia.org/wiki/Absorbance]
UO_0000270	volumetric flow rate unit	UO_0000000	"A unit which is a standard measure of the volume of fluid which passes through a given surface per unit time ." [Wikipedia:Wikipedia]
UO_0000271	microliters per minute	UO_0000270	"A volumetric flow rate unit which is equal to one microliter volume through a given surface in one minute." [UOC:GVG]
UO_0000272	millimetres of mercury	UO_0000109	"A unit of pressure equal to the amount of fluid pressure one millimeter deep in mercury at zero degrees centigrade on Earth." [url:en.wiktionary.org/wiki/mmHg]
UO_0000273	milligram per liter	UO_0000052	"A mass unit density which is equal to mass of an object in milligrams divided by the volume in liters." [UOC:GVG]
UO_0000274	microgram per milliliter	UO_1000173	"A mass unit density which is equal to mass of an object in micrograms divided by the volume in millliters." [UOC:GVG]
UO_0000275	nanogram per milliliter	UO_1000173	"A mass unit density which is equal to mass of an object in nanograms divided by the volume in milliliters." [UOC:GVG]
UO_0000276	amount per container	UO_0000051	"A concentration unit which is a standard measure of the amount of a substance in a given container." [UOC:GVG]
UO_0000277	ug/disk	UO_0000276	"A unit which is equal to one microgram per disk, where a disk is some physical surface/container upon which the substance is deposited." [UOC:MD]
UO_0000278	nmole/disk	UO_0000276	"A unit which is equal to one nanomole per disk, where a disk is some physical surface/container upon which the substance is deposited." [UOC:MD]
UO_0000279	milliunits per milliliter	UO_0000177	"A unit per milliliter unit which is equal to one thousandth of a unit of an agreed arbitrary amount per one milliliter." [UOC:GVG]
UO_0000280	rate unit	UO_0000000	"A unit which represents a standard measurement occurrence of a process per unit time." [UOC:GVG]
UO_0000281	count per nanomolar second	UO_1000281	"A rate unit which is equal to one over one nanomolar second." [UOC:GVG]
UO_0000282	count per molar second	UO_1000282	"A rate unit which is equal to one over one molar second." [UOC:GVG]
UO_0000283	kilogram per hectare	UO_0000054	"An area density unit which is equal to the mass of an object in kilograms divided by the surface area in hectares." [UO:GVG]
UO_0000284	count per nanomolar	UO_1000284	"A rate unit which is equal to one over one nanomolar." [UO:GVG]
UO_0000285	count per molar	UO_1000285	"A rate unit which is equal to one over one molar." [UO:GVG]
UO_0000286	yotta	UO_0000046	"A prefix in the metric system denoting a factor of ten to the power of 24." [UO:GVG]
UO_0000287	hecto	UO_0000046	"A prefix in the metric system denoting a factor of one hundred." [UO:GVG]
UO_0000288	zetta	UO_0000046	"A prefix in the metric system denoting a factor of ten to the power of 21." [UO:GVG]
UO_0000289	exa	UO_0000046	"A prefix in the metric system denoting a factor of ten to the power of 18." [UO:GVG]
UO_0000290	peta	UO_0000046	"A prefix in the metric system denoting a factor of ten to the power of 15." [UO:GVG]
UO_0000291	tera	UO_0000046	"A prefix in the metric system denoting a factor of ten to the power of 12." [UO:GVG]
UO_0000292	giga	UO_0000046	"A prefix in the metric system denoting a factor of ten to the power of 9." [UO:GVG]
UO_0000293	mega	UO_0000046	"A prefix in the metric system denoting a factor of million." [UO:GVG]
UO_0000294	kilo	UO_0000046	"A prefix in the metric system denoting a factor of one thousand." [UO:GVG]
UO_0000295	deca	UO_0000046	"A prefix in the metric system denoting a factor of ten." [UO:GVG]
UO_0000296	deci	UO_0000046	"A prefix in the metric system denoting a factor of one tenth." [UO:GVG]
UO_0000297	milli	UO_0000046	"A prefix in the metric system denoting a factor of one thousand." [UO:GVG]
UO_0000298	centi	UO_0000046	"A prefix in the metric system denoting a factor of one hundred." [UO:GVG]
UO_0000299	micro	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -6." [UO:GVG]
UO_0000300	nano	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -9." [UO:GVG]
UO_0000301	microgram per liter	UO_0000052	"A mass unit density which is equal to mass of an object in micrograms divided by the volume in liters." [UOC:GVG]
UO_0000302	pico	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -12." [GVG:UO]
UO_0000303	femto	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -15." [UO:GVG]
UO_0000304	atto	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -18." [UO:GVG]
UO_0000305	zepto	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -21." [UO:GVG]
UO_0000306	yocto	UO_0000046	"A prefix in the metric system denoting a factor of 10 to the power of -24." [UO:GVG]
UO_0000307	dose unit	UO_0000051	"A concentration unit which is a standard measure of the amount of a toxic or pharmaceutical substance administered to a recipient subject, expressed in terms of the size of the subject." [UO:PC]
UO_0000308	milligram per kilogram	UO_0000307	"A dose unit which is equal to 1 milligram of a toxic or pharmaceutical substance per kilogram body weight of the recipient subject." [UO:PC]
UO_0000309	milligram per square meter	UO_0000307	"A dose unit which is equal to 1 milligram of a toxic or pharmaceutical substance per square meter of surface area of the recipient subject." [UO:PC]
UO_0000310	dosage unit	UO_1000310	"A concentration unit which is a standard measure of the amount of a toxic or pharmaceutical substance administered over time to a recipient subject, expressed in terms of the size of the subject." [UO:PC]
UO_0000311	milligram per kilogram per day	UO_0000310	"A dosage unit which is equal to 1 milligram per day of a toxic or pharmaceutical substance per kilogram body weight of the recipient subject." [UO:PC]
UO_0000312	relative light unit	UO_1000312	"A derived unit which is a measure of relative light intensity, as typically measured by a luminometer, spectrophotometer, or fluorimeter in biological research applications." [UO:PC]
UO_0000313	relative luminescence unit	UO_1000313	"A relative light unit which is a measure of relative luminescence intensity." [UO:PC]
UO_0000314	relative fluorescence unit	UO_1000314	"A relative light unit which is a measure of relative fluorescence intensity." [UO:PC]
UO_0000315	turbidity unit	UO_0000000	"A unit used to indicate the clarity of water or other solutions or suspensions, as measured by the ability of the solution or suspension to scatter light of a defined wavelength range." [UO:PC]
UO_0000316	cells per microliter	UO_0000200	"A unit of cell concentration which is equal to one cell in a volume of 1 microliter." [UO:GVG]
UO_0000317	cells per well	UO_0000200	"A unit of cell concentration which is equal to 1 cell in a well or discrete container of arbitrary volume." [UO:PC]
UO_0000318	formazin nephelometric unit	UO_0000315	"1000 formazin turbidity units (FNU) on the empirical formazin turbidity scale represents reflectance of insol. reaction products of 0.0725 g hydrazine sulfate with 0.7250 g hexamethylenetetramine diluted to 1 L." [AOAC:192]
UO_0000319	radioactivity concentration	UO_0000051	"A concentration unit which is a standard measure of the amount of radioactivity in a given volume." [UO:GVG]
UO_0000320	curie per liter	UO_0000319	"A unit of radioactivity concentration which is equal to one curie in a volume of 1 liter." [UO:GVG]
UO_0000321	microcurie per milliliter	UO_0000319	"A unit of radioactivity concentration which is equal to one micro curie in a volume of 1 liter." [UO:GVG]
UO_0000322	fold dilution	UO_0000186	"A unit that is the ratio of concentration of two solutions of interest, typically with one solution derived from the other by the addition of solvent." [UO:PC]
UO_0000323	ton per hectare	UO_0000054	"An area density unit which is equal to the mass of an object in tons divided by the surface area in hectares." [UO:GVG]
UO_0000324	square angstrom	UO_0000047	"An area unit which is equal to an area enclosed by a square with sides each 1 angstrom long." [UOC:GVG]
UO_0000325	megaHertz	UO_0000105	"A frequency unit which is equal to one million hertz or 10^[6] V." [UOC:GVG]
UO_0000326	centiMorgan	UO_0000001	"A unit used to express distances on a genetic map. In genetic mapping, distances between markers are determined by measuring the rate of meoitic recombination between them, which increases proportionately with the distance separating them. A cM is defined as the length of an interval in which there is a 1% probability of recombination. On the average, 1 cM is roughly equivalent to 1 megabase (Mb) of DNA, although this can vary widely due to hot and cold spots of recombination." [NCBI:http://www.ncbi.nlm.nih.gov/SCIENCE96/Glossary.html]
UO_0000327	centiRay	UO_0000001	"A unit of genetic map distance defined corresponding to an interval in which there is a 1% probability of X-irradiation induced breakage. To be completely specified, the unit must be qualified by the radiation in dosage in rads (e.g. cR8000), because this determines the actual breakage probability." [NCBI:http://www.ncbi.nlm.nih.gov/SCIENCE96/Glossary.html]
UO_0000328	kilo base pair	UO_0000244	"A unit equal to one thousand base pairs." [UOC:GVG]
UO_0000329	mega base pair	UO_0000244	"A unit equal to one million base pairs" [UOC:GVG]
UO_0000330	giga base pair	UO_0000244	"A unit equal to one billion base pairs." [UOC:GVG]
UO_0000331	gigabyte	UO_0000231	"An information unit which is equal to 1000000000 bytes." [UO:GVG]
UO_0000332	terabyte	UO_0000231	"An information unit which is equal to 1000 gigabytes." [UO:GVG]
UO_0010001	square micrometer	UO_1010001	"An area unit which is equal to an area enclosed by a square with sides each 1 micrometer long." [NIST:NIST]
UO_0010002	millisiemens	UO_0000262	"An electrical conduction unit which is equal to one thousandth of a siemen or 10^[-3] siemens." [NIST:NIST]
UO_0010003	micromole per litre	UO_0000067	"A specific concentration unit which is equal to 1 micromole in a given volume of one thousandth of a cubic meter." [NIST:NIST]
UO_0010004	micromole per kilogram	UO_0000067	"A specific concentration unit which is equal to 1 micromole of a given substance per kilogram of solvent." [UOB:LKSR]
UO_0010005	millimeters per day	UO_0000060	"A speed/velocity unit which is equal to the speed of an object traveling 1 millimeter distance in one day." [UOB:LKSR]
UO_0010006	ratio	UO_0000190	"A dimensionless ratio unit which, given a pair of quantities a and b, for which b is a multiple of a, denotes b by giving the multiplier (coefficient) c for a to result in b." [UOB:LKSR]
UO_0010007	volt-second per square centimeter	UO_0000262	"An electrical mobility unit which is equal to one volt second per square centimeter." [UOB:LKSR]
UO_0010008	kilometer per hour	UO_0000060	"A speed/velocity unit which is equal to the speed of an object traveling 1 kilometer distance in one hour." [NIST:NIST]
UO_0010009	milli	UO_0000002	"A mass unit which is equal to 1/12 the mass of 12C" [Wikipedia:Wikipedia]
UO_0010010	hectare	UO_1010010	"An area unit which is equal to an area of 10,000 square meters. Equivalent to 2.471 acres." [Wikipedia:Wikipedia]
UO_0010011	inch	UO_0000001	"A length unit which is equal to 0.0254 metres." [Wikipedia:Wikpiedia]
UO_0010012	thou	UO_0000001	"A length unit which is equal to 0.0254 millimetres." [Wikipedia:Wikpiedia]
UO_0010013	foot	UO_0000001	"A length unit which is equal to 0.3048 metres, or 12 inches." [Wikipedia:Wikpiedia]
UO_0010014	yard	UO_0000001	"A length unit which is equal to 0.9144 metres, or 3 feet." [Wikipedia:Wikpiedia]
UO_0010015	chain	UO_1010015	"A length unit which is equal to 20.1168 metres, 66 feet, or 22 yards." [Wikipedia:Wikpiedia]
UO_0010016	furlong	UO_1010016	"A length unit which is equal to 20,116.8 metres, 660 feet, or 10 chains." [Wikipedia:Wikpiedia]
UO_0010017	mile	UO_0000001	"A length unit which is equal to 1,609.344 metres, or 8 furlongs." [Wikipedia:Wikpiedia]
UO_0010018	league	UO_0000001	"A length unit which is equal to 3 miles, or 4,828.032 metres" [Wikipedia:Wikpiedia]
UO_0010019	maritime length unit	UO_0000001	"A maritime length unit is one used primarily at sea." [Wikipedia:Wikpiedia]
UO_0010020	fathom	UO_1010020	"A maritime length unit which is equal to 6.08 feet, or 1.853184 metres" [Wikipedia:Wikpiedia]
UO_0010021	cable	UO_1010021	"A maritime length unit which is equal to 608 feet, 100 fathoms, or 185.3184 metres" [Wikipedia:Wikpiedia]
UO_0010022	nautical mile	UO_1010022	"A maritime length unit which is equal to 6,080 feet, 10 cables, or 1,853.184 metres" [Wikipedia:Wikpiedia]
UO_0010023	perch	UO_0000047	"An area unit which is equal to an area of 25.292,852,64 square meters, or 1 square rod." [Wikipedia:Wikipedia]
UO_0010024	rood	UO_1010024	"An area unit which is equivalent to 1 furlong x 1 rod. This is equal to an area of 1,011.714,1056 square meters, or 40 square rods." [Wikipedia:Wikipedia]
UO_0010025	acre	UO_1010025	"An area unit which is equivalent to 1 furlong x 1 chain. This is equal to an area of 4,046.856,4224 square meters, or 43,500 square feet." [Wikipedia:Wikipedia]
UO_0010026	fluid ounce	UO_0000095	"An imperial volume unit which is equivalent to 28.413,0625 millilitres." [Wikipedia:Wikipedia]
UO_0010027	gill	UO_0000095	"An imperial volume unit which is equivalent to 142.065,3125 millilitres." [Wikipedia:Wikipedia]
UO_0010028	pint	UO_0000095	"An imperial volume unit which is equivalent to 568.261,25 millilitres." [Wikipedia:Wikipedia]
UO_0010029	quart	UO_1010029	"An imperial volume unit which is equivalent to 1,136.5225 millilitres, or two pints." [Wikipedia:Wikipedia]
UO_0010030	gallon	UO_0000095	"An imperial volume unit which is equivalent to 4,546.09 millilitres, or 8 pints." [Wikipedia:Wikipedia]
UO_0010031	grain	UO_0000002	"An imperial mass unit which is equivalent to 64.798,91 milligrams." [Wikipedia:Wikipedia]
UO_0010032	drachm	UO_0000002	"An imperial mass unit which is equivalent to 1.771,845,195,3125 grams, or 1/256 of 1 pound." [Wikipedia:Wikipedia]
UO_0010033	ounce	UO_0000002	"An imperial mass unit which is equivalent to 28.349,523,125 grams, or 1/16 of 1 pound." [Wikipedia:Wikipedia]
UO_0010034	pound	UO_0000002	"An imperial mass unit which is equivalent to 453.592,37 grams." [Wikipedia:Wikipedia]
UO_0010035	stone	UO_0000002	"An imperial mass unit which is equivalent to 6,350.293,18 grams, or 14 pounds." [Wikipedia:Wikipedia]
UO_0010036	quarter	UO_1010036	"An imperial mass unit which is equivalent to 12.700,586,36 kilograms, or 28 pounds." [Wikipedia:Wikipedia]
UO_0010037	hundredweight	UO_1010037	"An imperial mass unit which is equivalent to 50.802,345,44 kilograms, 112 pounds, or 8 stone." [Wikipedia:Wikipedia]
UO_0010038	ton	UO_0000002	"An imperial mass unit which is equivalent to 1,016.046,9088 kilograms, or 2,240 pounds." [Wikipedia:Wikipedia]
UO_0010039	slug	UO_1010039	"An imperial gravitational unit which is equivalent to a mass that accelerates by 1ft/s?? when a force of one pound (lbf) is exerted on it." [Wikipedia:Wikipedia]
UO_0010040	teaspoon	UO_0000095	"A metric teaspoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 5mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Teaspoon]
UO_0010041	united states customary teaspoon	UO_0000095	"A United States customary units teaspoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 4.93 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
UO_0010042	tablespoon	UO_0000095	"A metric tablespoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 15mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Tablespoon]
UO_0010043	australian metric tablespoon	UO_0000095	"An Australian metric tablespoon is a unit of measurement of volume used in Australia for cooking recipes and pharmaceutic prescriptions. It equals a 20mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Tablespoon]
UO_0010044	united states customary tablespoon	UO_0000095	"A United States customary units tablespoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 14.79 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
UO_0010045	metric cup	UO_0000095	"A metric cup is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 250mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Cooking_weights_and_measures]
UO_0010046	united states customary cup	UO_0000095	"A United States customary units cup is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 236.59 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
UO_0010047	united states fda cup	UO_0000095	"A United States FDA cup is a unit of measurement of volume used by the US Federal Department of Agriculture as a nutritional serving measure. It equals a 240 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
UO_0010048	micromole	UO_0000006	"A substance unit which is equal to one millionth of a mole." [UOB:LTS]
UO_0010049	gram per square meter	UO_0000054	"An area density unit which is equal to the mass of an object in grams divided by the surface area in meters squared." [NIST:NIST]
UO_0010050	nanogram per microliter	UO_0000052	"A mass unit density which is equal to mass of an object in nanograms divided by the volume in microliters." [UOB:LTS]
UO_0010051	large calorie	UO_0000111	"A unit of energy widely used in nutrition, equivalent to the amount of heat needed to cause one kilogram of water to rise in temperature by one degree Celsius." [Wikipedia:Wikipedia]
UO_0010052	pounds per square inch	UO_0000109	"A pressure unit which is equal to 6894.757 pascal." [Wikipedia:Wikipedia]
UO_0010053	micrograms per wheaton bottle	UO_0000052	"A unit of mass concentration defined as the number of micrograms of a substance per 250 ml Wheaton bottle." [UOB:LTS]
UO_0010054	picoampere	UO_1000011	"An electric current unit current which is equal to one trillionth of an ampere or 10^[-12] A." [UOB:LTS]
UO_0010055	centigray	UO_1000134	"An absorbed dose unit which is equal to 0.01 gray (Gy)"
UO_0010056	gigaelectronvolt	UO_0000111	"A unit of energy that is equal to one thousand million electronvolts."
UO_0010057	gigaelectronvolt per nucleon	UO_0000111	"Derived unit which is equal to the total kinetic energy of an atomic nucleus in GeV divided by the number of nucleons in the nucleus"
UO_0010058	megaelectronvolt per nucleon	UO_0000111	"Derived unit which is equal to the total kinetic energy of an atomic nucleus in MeV divided by the number of nucleons in the nucleus"
UO_0010059	kiloelectronvolt per micron	UO_0000111	"A derived unit equal to the energy deposited by ionizing radiation per micron of path length in matter"
UO_0010060	gray per minute	UO_1010060	"A derived absorbed dose unit which is equal to one gray absorbed per minute."
UO_0010061	centigray per minute	UO_1010060	"A derived absorbed dose unit which is equal to one centigray absorbed per minute."
UO_0010062	milligray per minute	UO_1010060	"A derived absorbed dose unit which is equal to one milligray absorbed per minute."
UO_0010063	milligray per day	UO_0000129	"A derived absorbed dose unit which is equal to one milligray absorbed per day."
UO_1000008	meter based unit	UO_0000001
UO_1000010	second based unit	UO_0000003
UO_1000011	ampere based unit	UO_0000004
UO_1000012	kelvin based unit	UO_0000005
UO_1000013	mole based unit	UO_0000006
UO_1000014	candela based unit	UO_0000007
UO_1000019	angstrom based unit	UO_0000001
UO_1000021	gram based unit	UO_0000002
UO_1000027	degree Celsius based unit	UO_0000005
UO_1000031	minute based unit	UO_0000003
UO_1000032	hour based unit	UO_0000003
UO_1000033	day based unit	UO_0000003
UO_1000034	week based unit	UO_0000003
UO_1000035	month based unit	UO_0000003
UO_1000036	year based unit	UO_0000003
UO_1000062	molar based unit	UO_0000061
UO_1000068	molal based unit	UO_0000067
UO_1000075	normal based unit	UO_0000074
UO_1000076	mole fraction based unit	UO_0000191
UO_1000077	meter per second per second based unit	UO_0000048
UO_1000078	radian per second per second based unit	UO_0000050
UO_1000079	radian per second based unit	UO_0000049
UO_1000080	square meter based unit	UO_0000047
UO_1000081	square centimeter based unit	UO_0000047
UO_1000082	square millimeter based unit	UO_0000047
UO_1000084	gram per cubic centimeter based unit	UO_0000052
UO_1000085	candela per square meter based unit	UO_0000053
UO_1000088	gram per mole based unit	UO_0000055
UO_1000089	cubic meter per mole based unit	UO_0000056
UO_1000090	cubic centimeter per mole based unit	UO_0000056
UO_1000092	turns per second based unit	UO_0000058
UO_1000093	cubic meter per kilogram based unit	UO_0000059
UO_1000094	meter per second based unit	UO_0000060
UO_1000096	cubic meter based unit	UO_0000095
UO_1000097	cubic centimeter based unit	UO_0000095
UO_1000099	liter based unit	UO_0000095
UO_1000100	cubic decimeter based unit	UO_0000095
UO_1000106	hertz based unit	UO_0000105
UO_1000108	newton based unit	UO_0000107
UO_1000110	pascal based unit	UO_0000109
UO_1000112	joule based unit	UO_0000111
UO_1000114	watt based unit	UO_0000113
UO_1000116	lux based unit	UO_0000115
UO_1000118	lumen based unit	UO_0000117
UO_1000120	katal based unit	UO_0000119
UO_1000123	radian based unit	UO_0000122
UO_1000125	steradian based unit	UO_0000124
UO_1000132	becquerel based unit	UO_0000128
UO_1000133	curie based unit	UO_0000128
UO_1000134	gray based unit	UO_0000129
UO_1000135	rad based unit	UO_0000129
UO_1000136	roentgen based unit	UO_0000131
UO_1000137	sievert based unit	UO_0000130
UO_1000140	Roentgen equivalent man based unit	UO_0000130
UO_1000147	disintegrations per minute based unit	UO_0000128
UO_1000148	counts per minute based unit	UO_0000128
UO_1000151	century based unit	UO_0000003
UO_1000152	half life based unit	UO_0000003
UO_1000153	foot candle based unit	UO_0000115
UO_1000155	watt per square meter based unit	UO_0000154
UO_1000156	einstein per square meter per second based unit	UO_0000154
UO_1000158	watt per steradian per square meter based unit	UO_0000161
UO_1000162	watt per steradian based unit	UO_0000159
UO_1000163	mass percentage based unit	UO_0000187
UO_1000164	mass volume percentage based unit	UO_0000187
UO_1000165	volume percentage based unit	UO_0000205
UO_1000167	parts per hundred based unit	UO_0000166
UO_1000168	parts per thousand based unit	UO_0000166
UO_1000169	parts per million based unit	UO_0000166
UO_1000170	parts per billion based unit	UO_0000166
UO_1000171	parts per trillion based unit	UO_0000166
UO_1000172	parts per quadrillion based unit	UO_0000166
UO_1000173	gram per milliliter based unit	UO_0000052
UO_1000175	gram per liter based unit	UO_0000052
UO_1000178	unit per milliliter based unit	UO_0000177
UO_1000179	unit per liter based unit	UO_0000177
UO_1000180	mass per unit volume based unit	UO_0000051
UO_1000181	enzyme unit based unit	UO_0000119
UO_1000185	degree based unit	UO_0000122
UO_1000188	pi based unit	UO_0000186
UO_1000192	molecule count based unit	UO_0000189
UO_1000193	purity percentage based unit	UO_0000187
UO_1000194	confluence percentage based unit	UO_0000187
UO_1000195	degree Fahrenheit based unit	UO_0000005
UO_1000196	pH based unit	UO_0000186
UO_1000197	liter per kilogram based unit	UO_0000059
UO_1000201	cells per milliliter based unit	UO_0000200
UO_1000203	katal per cubic meter based unit	UO_0000202
UO_1000204	katal per liter based unit	UO_0000202
UO_1000208	gram per deciliter based unit	UO_0000052
UO_1000210	colony forming unit based unit	UO_0000189
UO_1000211	plaque forming unit based unit	UO_0000189
UO_1000213	colony forming unit per milliliter based unit	UO_0000212
UO_1000215	plaque forming unit per milliliter based unit	UO_0000214
UO_1000216	disintegrations per second based unit	UO_0000128
UO_1000218	volt based unit	UO_0000217
UO_1000220	coulomb based unit	UO_0000219
UO_1000221	dalton based unit	UO_0000002
UO_1000223	watt-hour based unit	UO_0000111
UO_1000226	weber based unit	UO_0000225
UO_1000228	tesla based unit	UO_0000227
UO_1000229	volt-hour based unit	UO_0000225
UO_1000232	bit based unit	UO_0000231
UO_1000233	byte based unit	UO_0000231
UO_1000237	chroma sampling unit based unit	UO_0000236
UO_1000238	dynamic range unit based unit	UO_0000236

Ontology ID

Name

Parent

Description

Action

UO_0000000

unit

"A unit of measurement is a standardized quantity of a physical quality." [Wikipedia:Wikipedia]

UO_0000001

length unit

UO_0000000

"A unit which is a standard measure of the distance between two points." [Wikipedia:Wikipedia]

UO_0000002

mass unit

UO_0000000

"A unit which is a standard measure of the amount of matter/energy of a physical object." [Wikipedia:Wikipedia]

UO_0000003

time unit

UO_0000000

"A unit which is a standard measure of the dimension in which events occur in sequence." [Wikipedia:Wikipedia]

UO_0000004

electric current unit

UO_0000000

"A unit which is a standard measure of the flow of electric charge." [Wikipedia:Wikipedia]

UO_0000005

temperature unit

UO_0000000

"A unit which is a standard measure of the average kinetic energy of the particles in a sample of matter." [Wikipedia:Wikipedia]

UO_0000006

substance unit

UO_0000000

"A unit which is a standardised quantity of an element or compound with uniform composition." [Wikipedia:Wikipedia]

UO_0000007

luminous intensity unit

UO_0000157

"A unit which is a standard measure of the wavelength-weighted power emitted by a light source in a particular direction." [Wikipedia:Wikipedia]

UO_0000008

meter

UO_0000001

"A length unit which is equal to the length of the path traveled by light in vacuum during a time interval of 1/299 792 458 of a second." [BIPM:BIPM, NIST:NIST]

UO_0000009

kilogram

UO_1000021

"A mass unit which is equal to the mass of the International Prototype Kilogram kept by the BIPM at Svres, France." [BIPM:BIPM, NIST:NIST]

UO_0000010

second

UO_0000003

"A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom." [BIPM:BIPM, NIST:NIST]

UO_0000011

ampere

UO_1000011

"An electric current unit which is equal to the constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 m apart in vacuum, would produce between these conductors a force equal to 2 x 10^[-7] newton per meter of length." [BIPM:BIPM, NIST:NIST]

UO_0000012

kelvin

UO_1000012

"A thermodynamic temperature unit which is equal to the fraction 1/273.16 of the thermodynamic temperature of the triple point of water." [BIPM:BIPM, NIST:NIST]

UO_0000013

mole

UO_0000006

"A substance unit which is equal to the amount of substance of a molecular system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12." [BIPM:BIPM, NIST:NIST]

UO_0000014

candela

UO_0000007

"A luminous intensity unit which equal to the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian." [BIPM:BIPM, NIST:NIST]

UO_0000015

centimeter

UO_0000001

"A length unit which is equal to one hundredth of a meter or 10^[-2] m." [NIST:NIST]

UO_0000016

millimeter

UO_0000001

"A length unit which is equal to one thousandth of a meter or 10^[-3] m." [NIST:NIST]

UO_0000017

micrometer

UO_0000001

"A length unit which is equal to one millionth of a meter or 10^[-6] m." [NIST:NIST]

UO_0000018

nanometer

UO_0000001

"A length unit which is equal to one thousandth of one millionth of a meter or 10^[-9] m." [NIST:NIST]

UO_0000019

angstrom

UO_1000019

"A length unit which is equal to 10 [-10] m." [NIST:NIST]

UO_0000020

picometer

UO_0000001

"A length unit which is equal to 10^[-12] m." [NIST:NIST]

UO_0000021

gram

UO_1000021

"A mass unit which is equal to one thousandth of a kilogram or 10^[-3] kg." [NIST:NIST]

UO_0000022

milligram

UO_1000021

"A mass unit which is equal to one thousandth of a gram or 10^[-3] g." [UOC:GVG]

UO_0000023

microgram

UO_1000021

"A mass unit which is equal to one millionth of a gram or 10^[-6] g." [UOC:GVG]

UO_0000024

nanogram

UO_1000021

"A mass unit which is equal to one thousandth of one millionth of a gram or 10^[-9] g." [UOC:GVG]

UO_0000025

picogram

UO_1000021

"A mass unit which is equal to 10^[-12] g." [UOC:GVG]

UO_0000026

femtogram

UO_1000021

"A mass unit which is equal to 10^[-15] g." [NIST:NIST]

UO_0000027

degree Celsius

UO_1000027

"A temperature unit which is equal to one kelvin degree. However, they have their zeros at different points. The centigrade scale has its zero at 273.15 K." [NIST:NIST]

UO_0000028

millisecond

UO_0000003

"A time unit which is equal to one thousandth of a second or 10^[-3] s." [NIST:NIST]

UO_0000029

microsecond

UO_0000003

"A time unit which is equal to one millionth of a second or 10^[-6] s." [NIST:NIST]

UO_0000030

picosecond

UO_0000003

"A time unit which is equal to 10^[-12] s." [NIST:NIST]

UO_0000031

minute

UO_0000003

"A time unit which is equal to 60 seconds." [Wikipedia:Wikipedia]

UO_0000032

hour

UO_0000003

"A time unit which is equal to 3600 seconds or 60 minutes." [Wikipedia:Wikipedia]

UO_0000033

day

UO_0000003

"A time unit which is equal to 24 hours." [Wikipedia:Wikipedia]

UO_0000034

week

UO_0000003

"A time unit which is equal to 7 days." [Wikipedia:Wikipedia]

UO_0000035

month

UO_0000003

"A time unit which is approximately equal to the length of time of one of cycle of the moon's phases which in science is taken to be equal to 30 days." [Wikipedia:Wikipedia]

UO_0000036

year

UO_0000003

"A time unit which is equal to 12 months which in science is taken to be equal to 365.25 days." [Wikipedia:Wikipedia]

UO_0000037

milliampere

UO_1000011

"An electric current unit current which is equal to one thousandth of an ampere or 10^[-3] A." [UOC:GVG]

UO_0000038

microampere

UO_1000011

"An electric current unit current which is equal to one millionth of an ampere or 10^[-6] A." [UOC:GVG]

UO_0000039

micromole

UO_0000006

"A substance unit equal to a millionth of a mol or 10^[-6] mol." [NIST:NIST]

UO_0000040

millimole

UO_0000006

"A substance unit equal to a thousandth of a mol or 10^[-3] mol." [NIST:NIST]

UO_0000041

nanomole

UO_0000006

"A substance unit equal to one thousandth of one millionth of a mole or 10^[-9] mol." [NIST:NIST]

UO_0000042

picomole

UO_0000006

"A substance unit equal to 10^[-12] mol." [NIST:NIST]

UO_0000043

femtomole

UO_0000006

"A substance unit equal to 10^[-15] mol." [NIST:NIST]

UO_0000044

attomole

UO_0000006

"A substance unit equal to 10^[-18] mol." [NIST:NIST]

UO_0000045

base unit

UO_0000000

"A unit which is one of a particular measure to which all measures of that type can be related." [NIST:NIST]

UO_0000046

prefix

UO_0000047

area unit

UO_0000000

"A unit which is a standard measure of the amount of a 2-dimensional flat surface." [UOC:GVG]

UO_0000048

acceleration unit

UO_0000000

"A unit which is a standard measure of the rate of change of velocity in either speed or direction." [Wikipedia:Wikipedia]

UO_0000049

angular velocity unit

UO_0000000

"A unit which is a standard measure of the rate of angular movement about an axis;the angle rotated in a given time." [Wikipedia:Wikipedia]

UO_0000050

angular acceleration unit

UO_0000000

"A unit which is a standard measure of the rate of change of angular velocity." [Wikipedia:Wikipedia]

UO_0000051

concentration unit

UO_0000000

"A unit which represents a standard measurement of how much of a given substance there is mixed with another substance." [UOC:GVG]

UO_0000052

mass density unit

UO_0000182

"A density unit which is a standard measure of the mass of a substance in a given volume." [UOC:GVG]

UO_0000053

luminance unit

UO_0000157

"A unit which is a standard measure of the luminous intensity impinging on a given area." [Wikipedia:Wikipedia]

UO_0000054

area density unit

UO_0000182

"A density unit which is a standard measure of the mass exerting an influence on a given area." [Wikipedia:Wikipedia]

UO_0000055

molar mass unit

UO_0000002

"A unit which is a standard measure of the mass of a homogeneous substance containing 6.02 x 1023 atoms or molecules." [Wikipedia:Wikipedia]

UO_0000056

molar volume unit

UO_0000095

"A unit which is a standard measure of the volume of a homogeneous substance containing 6.02 x 1023 atoms or molecules." [Wikipedia:Wikipedia]

UO_0000057

momentum unit

UO_0000000

"A unit which is a standard measure of the quantity of motion measured by the product of mass and velocity." [Wikipedia:Wikipedia]

UO_0000058

rotational frequency unit

UO_0000105

"A unit which is a standard measure of the number of rotations in a given time." [NIST:NIST]

UO_0000059

specific volume unit

UO_0000095

"A unit which is a standard measure of the volume of a given mass of substance (the reciprocal of density)." [Wikipedia:Wikipedia]

UO_0000060

speed/velocity unit

UO_0000000

"A unit which is a standard measure of the rate of movement. Speed is measured in the same physical units of measurement as velocity, but does not contain the element of direction that velocity has. Speed is thus the magnitude component of velocity." [Wikipedia:Wikipedia]

UO_0000061

unit of molarity

UO_0000051

"A concentration unit which is a standard measure of the number of moles of a given substance per liter of solution." [UOC:GVG]

UO_0000062

molar

UO_1000062

"A unit of concentration which expresses a concentration of 1 mole of solute per liter of solution (mol/L)." [UOC:GVG]

UO_0000063

millimolar

UO_1000062

"A unit of molarity which is equal to one thousandth of a molar or 10^[-3] M." [UOC:GVG]

UO_0000064

micromolar

UO_1000062

"A unit of molarity which is equal to one millionth of a molar or 10^[-6] M." [UOC:GVG]

UO_0000065

nanomolar

UO_1000062

"A unit of molarity which is equal to one thousandth of one millionth of a molar or 10^[-9] M." [UOC:GVG]

UO_0000066

picomolar

UO_1000062

"A unit of molarity which is equal to 10^[-12] M." [UOC:GVG]

UO_0000067

unit of molality

UO_0000051

"A concentration unit which is a standard measure of the number of moles of a given substance per kilogram of solvent." [UOC:GVG]

UO_0000068

molal

UO_0000067

"A unit of concentration which expresses a concentration of a solution of 1 mole per kilogram of solvent (mol/kg)." [UOC:GVG]

UO_0000069

millimolal

UO_0000067

"A molality unit which is equal to one thousandth of a molal or 10^[-3] m." [UOC:GVG]

UO_0000070

micromolal

UO_0000067

"A molality unit which is equal to one millionth of a molal or 10^[-6] m." [UOC:GVG]

UO_0000071

nanomolal

UO_0000067

"A molality unit which is equal to one thousandth of one millionth of a molal or 10^[-9] m." [UOC:GVG]

UO_0000072

picomolal

UO_0000067

"A molality unit which is equal to 10^[-12] m." [UOC:GVG]

UO_0000073

femtomolar

UO_1000062

"A unit of molarity which is equal to 10^[-15] M." [UOC:GVG]

UO_0000074

unit of normality

UO_0000051

"A unit of concentration which highlights the chemical nature of salts." [Wikipedia:Wikipedia]

UO_0000075

normal

UO_0000074

"A unit of concentration which is one gram equivalent of a solute per liter of solution. A gram equivalent weight or equivalent is a measure of the reactive capacity of a given molecule." [Wikipedia:Wikipedia]

UO_0000076

mole fraction

UO_0000191

"A concentration unit which denotes the number of moles of solute as a proportion of the total number of moles in a solution." [Wikipedia:Wikipedia]

UO_0000077

meter per second per second

UO_0000048

"An acceleration unit which is equal to the acceleration an object changing its velocity by 1meter/s over a time period that equals one second." [NIST:NIST]

UO_0000078

radian per second per second

UO_1000078

"An angular unit acceleration which is equal to the angular acceleration of an object changing its angular velocity by 1rad/s over a time period that equals one second." [NIST:NIST]

UO_0000079

radian per second

UO_0000049

"An angular unit velocity which is equal to about 9.54930 rpm (revolutions per minute)." [NIST:NIST]

UO_0000080

square meter

UO_1000080

"An area unit which is equal to an area enclosed by a square with sides each 1 meter long." [NIST:NIST]

UO_0000081

square centimeter

UO_1000081

"An area unit which is equal to one ten thousandth of a square meter or 10^[-4] m^[2]." [NIST:NIST]

UO_0000082

square millimeter

UO_1000082

"An area unit which is equal to one millionth of a square meter or 10^[-6] m^[2]." [NIST:NIST]

UO_0000083

kilogram per cubic meter

UO_0000052

"A mass unit density which is equal to mass of an object in kilograms divided by the volume in cubic meters." [UOC:GVG]

UO_0000084

gram per cubic centimeter

UO_1000084

"A mass unit density which is equal to mass of an object in grams divided by the volume in cubic centimeters." [UOC:GVG]

UO_0000085

candela per square meter

UO_1000085

"A luminance unit which is equal to a luminous intensity of one candela radiating from a surface whose area is one square meter." [NIST:NIST]

UO_0000086

kilogram per square meter

UO_0000054

"An area density unit which is equal to the mass of an object in kilograms divided by the surface area in meters squared." [NIST:NIST]

UO_0000087

kilogram per mole

UO_1000088

"A molar mass unit which is equal to one kilogram of mass of one mole of chemical element or chemical compound." [NIST:NIST]

UO_0000088

gram per mole

UO_1000088

"A molar mass unit which is equal to one gram of mass of one mole of chemical element or chemical compound." [NIST:NIST]

UO_0000089

cubic meter per mole

UO_0000056

"A molar volume unit which is equal to 1 cubic meter occupied by one mole of a substance in the form of a solid, liquid, or gas." [NIST:NIST]

UO_0000090

cubic centimeter per mole

UO_1000090

"A molar volume unit which is equal to 1 cubic centimeter occupied by one mole of a substance in the form of a solid, liquid, or gas." [NIST:NIST]

UO_0000091

kilogram meter per second

UO_0000057

"A momentum unit which is equal to the momentum of a one kilogram mass object with a speed of one meter per second." [NIST:NIST]

UO_0000092

turns per second

UO_0000058

"A rotational frequency unit which is equal to the number complete turn in a period of time that equals to 1 second." [NIST:NIST]

UO_0000093

cubic meter per kilogram

UO_0000059

"A specific volume unit which is equal to one cubic meter volume occupied by one kilogram of a particular substance." [NIST:NIST]

UO_0000094

meter per second

UO_1000094

"A speed/velocity unit which is equal to the speed of an object traveling 1 meter distance in one second." [NIST:NIST]

UO_0000095

volume unit

UO_0000000

"A unit which is a standard measure of the amount of space occupied by any substance, whether solid, liquid, or gas." [NIST:NIST]

UO_0000096

cubic meter

UO_0000095

"A volume unit which is equal to the volume of a cube with edges one meter in length. One cubic meter equals to 1000 liters." [NIST:NIST]

UO_0000097

cubic centimeter

UO_1000097

"A volume unit which is equal to one millionth of a cubic meter or 10^[-9] m^[3], or to 1 ml." [NIST:NIST]

UO_0000098

milliliter

UO_1000099

"A volume unit which is equal to one thousandth of a liter or 10^[-3] L, or to 1 cubic centimeter." [NIST:NIST]

UO_0000099

liter

UO_1000099

"A volume unit which is equal to one thousandth of a cubic meter or 10^[-3] m^[3], or to 1 decimeter." [NIST:NIST]

UO_0000100

cubic decimeter

UO_0000095

"A volume unit which is equal to one thousand of a cubic meter or 10^[-3] m^[3], or to 1 L." [NIST:NIST]

UO_0000101

microliter

UO_1000099

"A volume unit which is equal to one millionth of a liter or 10^[-6] L." [NIST:NIST]

UO_0000102

nanoliter

UO_1000099

"A volume unit which is equal to one thousandth of one millionth of a liter or 10^[-9] L." [NIST:NIST]

UO_0000103

picoliter

UO_1000099

"A volume unit which is equal to 10^[-12] L." [NIST:NIST]

UO_0000104

femtoliter

UO_1000099

"A volume unit which is equal to 10^[-15] L." [NIST:NIST]

UO_0000105

frequency unit

UO_0000000

"A unit which is a standard measure of the number of repetitive actions in a particular time." [NIST:NIST]

UO_0000106

hertz

UO_1000106

"A frequency unit which is equal to 1 complete cycle of a recurring phenomenon in 1 second." [NIST:NIST]

UO_0000107

force unit

UO_0000000

"A unit which is a standard measure of the force is applied when a mass is accelerated." [NIST:NIST]

UO_0000108

newton

UO_0000107

"A force unit which is equal to the force required to cause an acceleration of 1m/s2 of a mass of 1 Kg in the direction of the force." [NIST:NIST]

UO_0000109

pressure unit

UO_0000000

"A unit which is a standard measure of the force applied to a given area." [NIST:NIST]

UO_0000110

pascal

UO_0000109

"A pressure unit which is equal to the pressure or stress on a surface caused by a force of 1 newton spread over a surface of 1 m^[2]." [NIST:NIST]

UO_0000111

energy unit

UO_0000000

"A unit which is a standard measure of the work done by a certain force (gravitational, electric, magnetic, force of inertia, etc)." [NIST:NIST]

UO_0000112

joule

UO_0000111

"An energy unit which is equal to the energy required when a force of 1 newton moves an object 1 meter in the direction of the force." [NIST:NIST]

UO_0000113

power unit

UO_0000000

"A unit which is a standard measure power or the rate of doing work." [NIST:NIST]

UO_0000114

watt

UO_1000114

"A power unit which is equal to the power used when work is done at the rate of 1 joule per second." [NIST:NIST]

UO_0000115

illuminance unit

UO_0000157

"A unit which is a standard measure of the luminous flux incident on a unit area." [Wikipedia:Wikipedia]

UO_0000116

lux

UO_1000116

"An illuminance unit which is equal to the illuminance produced by 1 lumen evenly spread over an area 1 m^[2]." [NIST:NIST]

UO_0000117

luminous flux unit

UO_0000157

"A unit which is a standard measure of the flow of radiant energy." [Wikipedia:Wikipedia]

UO_0000118

lumen

UO_0000117

"A luminous flux unit which is equal to the luminous flux emitted into 1 steradian by a point source of 1 candela." [NIST:NIST]

UO_0000119

catalytic activity unit

UO_0000000

"A unit which is a standard measure of the amount of the action of a catalyst." [NIST:NIST]

UO_0000120

katal

UO_1000120

"A catalytic unit activity which is equal to the activity of a catalyst in moles per second, such as the amount of an enzyme needed to transform one mole of substrate per second." [NIST:NIST]

UO_0000121

angle unit

UO_0000000

"A unit which is a standard measure of the figure or space formed by the junction of two lines or planes." [Wikipedia:Wikipedia]

UO_0000122

plane angle unit

UO_0000121

"A unit which is a standard measure of the angle formed by two straight lines in the same plane." [Wikipedia:Wikipedia]

UO_0000123

radian

UO_0000122

"A plane angle unit which is equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57 degrees 17 minutes and 44.6 seconds." [NIST:NIST]

UO_0000124

solid angle unit

UO_0000121

"A unit which is a standard measure of the angle formed by three or more planes intersecting at a common point." [Wikipedia:Wikipedia]

UO_0000125

steradian

UO_1000125

"A solid angle unit which is equal to the solid angle subtended at the center of a sphere by an area on the surface of the sphere that is equal to the radius squared." [NIST:NIST]

UO_0000127

radiation unit

UO_0000000

"A unit which is a standard measure of the amount of radiation emitted by a given radiation source as well as the amount of radiation absorbed or deposited in a specific material by a radiation source." [OCRBS:OCRBS]

UO_0000128

activity (of a radionuclide) unit

UO_0000127

"A unit which is a standard measure of the transformation (disintegration) rate of a radioactive substance." [DEFRA:DEFRA]

UO_0000129

absorbed dose unit

UO_0000127

"A unit which is a standard measure of the energy imparted by ionizing radiation to unit mass of matter such as tissue." [DEFRA:DEFRA]

UO_0000130

dose equivalent unit

UO_0000127

"A unit which is a standard measure of the expression of dose in terms of its biological effect." [ORCBS:ORCBS]

UO_0000131

exposure unit

UO_0000127

"A unit which is a standard measure of the quantity that expresses the ability of radiation to ionize air and thereby create electric charges which can be collected and measured." [ORCBS:ORCBS]

UO_0000132

becquerel

UO_1000132

"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which one nucleus decays per second or there is one atom disintegration per second (dps)." [NIST:NIST]

UO_0000133

curie

UO_1000133

"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which there are 3.7 x 10^[10] atom disintegration per second (dps)." [ORCBS:ORCBS]

UO_0000134

gray

UO_1000134

"An absorbed dose unit which is equal to the absorption of one joule of radiation energy by one kilogram of matter." [NIST:NIST]

UO_0000135

rad

UO_1000135

"An absorbed dose unit which is equal to 0.01 gray (Gy)." [Wikipedia:Wikipedia]

UO_0000136

roentgen

UO_0000131

"An exposure unit which is equal to the amount of radiation required to liberate positive and negative charges of one electrostatic unit of charge in 1 cm^[3] of air at standard temperature and pressure (STP). This corresponds to the generation of approximately 2.0810^[9] ion pairs." [Wikipedia:Wikipedia]

UO_0000137

sievert

UO_1000137

"A dose equivalent unit which is equal to the absorption of one joule of radiation energy by one kilogram of matter." [NIST:NIST]

UO_0000138

millisievert

UO_1000137

"A dose equivalent unit which is equal to one thousandth of a sievert or 10^[-3] Sv." [NIST:NIST]

UO_0000139

microsievert

UO_1000137

"A dose equivalent unit which is equal to one millionth of a sievert or 10^[-6] Sv." [NIST:NIST]

UO_0000140

Roentgen equivalent man

UO_0000130

"A dose equivalent unit which when multiplied by hundred is equal to one sievert or 1 Sv. 1 Sv is equal to 100 rem." [Wikipedia:Wikipedia]

UO_0000141

microgray

UO_1000134

"An absorbed dose unit which is equal to one millionth of a gray or 10^[-6] Gy." [NIST:NIST]

UO_0000142

milligray

UO_1000134

"An absorbed dose unit which is equal to one thousandth of a gray or 10^[-3] Gy." [NIST:NIST]

UO_0000143

nanogray

UO_1000134

"An absorbed dose unit which is equal to one thousandth of a millionth of a gray or 10^[-9] Gy." [NIST:NIST]

UO_0000144

nanosievert

UO_1000137

"A dose equivalent unit which is equal to one thousandth of a millionth of a sievert or 10^[-9] Sv." [NIST:NIST]

UO_0000145

millicurie

UO_1000133

"An activity (of a radionuclide) unit which is equal to one thousandth of a curie or 10^[-3] Ci." [ORCBS:ORCBS]

UO_0000146

microcurie

UO_1000133

"An activity (of a radionuclide) unit which is equal to one millionth of a curie or 10^[-6] Ci." [ORCBS:ORCBS]

UO_0000147

disintegrations per minute

UO_1000147

"An activity (of a radionuclide) unit which is equal to the activity of a quantity of radioactive material in which one nucleus decays per minute or there is one atom disintegration per minute." [ORCBS:ORCBS]

UO_0000148

counts per minute

UO_1000148

"An activity (of a radionuclide) unit which is equal to the number of light emissions produced by ionizing radiation in one minute." [ORCBS:ORCBS]

UO_0000150

nanosecond

UO_0000003

"A time unit which is equal to one thousandth of one millionth of a second or 10^[-9] s." [NIST:NIST]

UO_0000151

century

UO_0000003

"A time unit which is equal to 100 years." [Wikipedia:Wikipedia]

UO_0000152

half life

UO_0000003

"A time unit which represents the period over which the activity or concentration of a specified chemical or element falls to half its original activity or concentration." [MGED:MGED]

UO_0000153

foot candle

UO_1000153

"An illuminance unit which is equal to the illuminance produced by 1 lumen evenly spread over an area 1 foot^[2]. One footcandle is equal to 10.76 lux." [Wikipedia:Wikipedia]

UO_0000154

irradiance unit

UO_0000157

"A unit which is a standard measure of the power of electromagnetic radiation at a surface, per unit area." [Wikipedia:Wikipedia]

UO_0000155

watt per square meter

UO_0000154

"An irradiance unit which is equal to 1 watt of radiant power incident per one square meter surface area." [NIST:NIST]

UO_0000156

einstein per square meter per second

UO_0000154

"An irradiance unit which is equal to one einstein per square meter per second. One einstein is one mole of photons, regardless of their frequency. Therefore, the number of photons in an einstein is Avogadro's number." [Wikipedia:Wikipedia]

UO_0000157

light unit

UO_0000000

"A unit which is a standard measure of the intensity of light." [NIST:NIST]

UO_0000158

watt per steradian per square meter

UO_0000161

"A radiance unit which is equal to one watt of radiant power incident per steradian solid angle per one square meter projected area of the source, as viewed from the given direction." [NIST:NIST]

UO_0000159

radiant intensity unit

UO_0000157

"A unit which is a standard measure of the intensity of electromagnetic radiation." [Wikipedia:Wikipedia]

UO_0000160

microeinstein per square meter per second

UO_0000154

"An irradiance unit which is equal to one microeinstein per square meter per second or 10^[-6] microeinstein/sm^[2]." [Wikipedia:Wikipedia]

UO_0000161

radiance unit

UO_0000157

"A unit which is a standard measure of the power of electromagnetic radiation through space or through a material medium in the form of electromagnetic waves." [Wikipedia:Wikipedia]

UO_0000162

watt per steradian

UO_0000159

"A radiant intensity unit which is equal to one kilogram meter squared per second cubed per steradian." [NIST:NIST]

UO_0000163

mass percentage

UO_1000163

"A dimensionless concentration unit which denotes the mass of a substance in a mixture as a percentage of the mass of the entire mixture." [Wikipedia:Wikipedia]

UO_0000164

mass volume percentage

UO_1000164

"A dimensionless concentration unit which denotes the mass of the substance in a mixture as a percentage of the volume of the entire mixture." [UOC:GVG]

UO_0000165

volume percentage

UO_0000205

"A dimensionless concentration unit which denotes the volume of the solute in mL per 100 mL of the resulting solution." [UOC:GVG]

UO_0000166

parts per notation unit

UO_0000186

"A dimensionless concentration notation which describes the amount of one substance in another. It is the ratio of the amount of the substance of interest to the amount of that substance plus the amount of the substance." [Wikipedia:Wikipedia]

UO_0000167

parts per hundred

UO_1000167

"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 100 regardless of the units of measure as long as they are the same." [UOC:GVG]

UO_0000168

parts per thousand

UO_0000166

"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1000 regardless of the units of measure as long as they are the same." [UOC:GVG]

UO_0000169

parts per million

UO_1000169

"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[6]." [UOC:GVG]

UO_0000170

parts per billion

UO_1000170

"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure as long as they are the same or 1 part in 10^[9]." [UOC:GVG]

UO_0000171

parts per trillion

UO_1000171

"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[12]." [UOC:GVG]

UO_0000172

parts per quadrillion

UO_0000166

"A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[15]." [UOC:GVG]

UO_0000173

gram per milliliter

UO_1000173

"A mass unit density which is equal to mass of an object in grams divided by the volume in milliliter." [UOC:GVG]

UO_0000174

kilogram per liter

UO_0000052

"A mass unit density which is equal to mass of an object in kilograms divided by the volume in liters." [UOC:GVG]

UO_0000175

gram per liter

UO_0000052

"A mass unit density which is equal to mass of an object in grams divided by the volume in liters." [UOC:GVG]

UO_0000176

milligram per milliliter

UO_0000052

"A mass unit density which is equal to mass of an object in milligrams divided by the volume in milliliters." [UOC:GVG]

UO_0000177

unit per volume unit

UO_0000051

"A concentration unit which is a standard measure of the number of units, as an agreed arbitrary amount, of a given substance per a specific volume of solution." [Webmd:Webmd]

UO_0000178

unit per milliliter

UO_0000177

"A unit per milliliter unit which is equal to one unit of an agreed arbitrary amount per one milliliter." [Webmd:Webmd]

UO_0000179

unit per liter

UO_0000177

"A unit per milliliter unit which is equal to one unit of an agreed arbitrary amount per one liter." [UOC:GVG]

UO_0000180

mass per unit volume

UO_1000180

"A concentration unit which is a standard measure of the mass of a substance in a given volume (density)." [Wikipedia:Wikipedia]

UO_0000181

enzyme unit

UO_1000181

"A catalytic unit activity which is equal to the amount of the enzyme that catalyzes the conversion of 1 micro mole of substrate per minute." [Wikipedia:Wikipedia]

UO_0000182

density unit

UO_0000000

"A unit which is a standard measure of the influence exerted by some mass." [Wikipedia:Wikipedia]

UO_0000183

linear density unit

UO_0000182

"A density unit which is a standard measure of the mass exerting an influence on a one-dimensional object." [Wikipedia:Wikipedia]

UO_0000184

kilogram per meter

UO_0000183

"An area density unit which is equal to the mass of an object in kilograms divided by one meter." [NIST:NIST]

UO_0000185

degree

UO_1000185

"A plane angle unit which is equal to 1/360 of a full rotation or 1.7453310^[-2] rad." [Wikipedia:Wikipedia]

UO_0000186

dimensionless unit

UO_0000000

"A unit which is a standard measure of physical quantity consisting of only a numerical number without any units." [Wikipedia:Wikipedia]

UO_0000187

percent

UO_0000190

"A dimensionless ratio unit which denotes numbers as fractions of 100." [Wikipedia:Wikipedia]

UO_0000188

UO_1000188

"A dimensionless unit which denoted an irrational real number, approximately equal to 3.14159 which is the ratio of a circle's circumference to its diameter in Euclidean geometry." [Wikipedia:Wikipedia]

UO_0000189

count unit

UO_0000186

"A dimensionless unit which denotes a simple count of things." [MGED:MGED]

UO_0000190

ratio

UO_0000186

"A dimensionless unit which denotes an amount or magnitude of one quantity relative to another." [Wikipedia:Wikipedia]

UO_0000191

fraction

UO_0000190

"A dimensionless ratio unit which relates the part (the numerator) to the whole (the denominator)." [Wikipedia:Wikipedia]

UO_0000192

molecule count

UO_1000192

"A dimensionless count unit which denotes the number of molecules." [MGED:MGED]

UO_0000193

purity percentage

UO_1000193

"A dimensionless percent unit which denotes the homogeneity of a biomaterial." [MGED:MGED]

UO_0000194

confluence percentage

UO_1000194

"A dimensionless percent unit which denotes the density of an attached or monolayer culture (e.g., cell culture)." [MGED:MGED]

UO_0000195

degree Fahrenheit

UO_1000195

"A temperature unit which is equal to 5/9ths of a kelvin. Negative 40 degrees Fahrenheit is equal to negative 40 degrees Celsius." [Wikipedia:Wikipedia]

UO_0000196

UO_0000186

"A dimensionless concentration notation which denotes the acidity of a solution in terms of activity of hydrogen ions (H+)." [Wikipedia:Wikipedia]

UO_0000197

liter per kilogram

UO_0000059

"A specific volume unit which is equal to one liter volume occupied by one kilogram of a particular substance." [NIST:NIST]

UO_0000198

milliliter per kilogram

UO_0000059

"A specific volume unit which is equal to a thousandth of a liter per kilogram or 10^[-3] l/kg." [NIST:NIST]

UO_0000199

microliter per kilogram

UO_0000059

"A specific volume unit which is equal to one millionth of a liter per kilogram or 10^[-6] l/kg." [NIST:NIST]

UO_0000200

cell concentration unit

UO_0000051

"A concentration unit which denotes the average cell number in a given volume." [Bioedonline:Bioedonline]

UO_0000201

cells per milliliter

UO_0000200

"A unit of cell concentration which is equal to one cell in a volume of 1 milliliter." [Bioedonline:Bioedonline]

UO_0000202

catalytic (activity) concentration unit

UO_0000051

"A concentration unit which is a standard measure of the amount of the action of a catalyst in a given volume." [UOC:GVG]

UO_0000203

katal per cubic meter

UO_1000203

"A catalytic (activity) concentration unit which is equal to 1 katal activity of a catalyst in a given volume of one cubic meter." [NIST:NIST]

UO_0000204

katal per liter

UO_1000204

"A catalytic (activity) concentration unit which is equal to 1 katal activity of a catalyst in a given volume of one thousandth of a cubic meter." [NIST:NIST]

UO_0000205

volume per unit volume

UO_0000051

"A dimensionless concentration unit which denotes the given volume of the solute in the total volume of the resulting solution." [NIST:NIST]

UO_0000206

milliliter per cubic meter

UO_0000205

"A volume per unit volume unit which is equal to one millionth of a liter of solute in one cubic meter of solution." [NIST:NIST]

UO_0000207

milliliter per liter

UO_0000205

"A volume per unit volume unit which is equal to one millionth of a liter of solute in one liter of solution." [NIST:NIST]

UO_0000208

gram per deciliter

UO_0000052

"A mass density unit which is equal to mass of an object in grams divided by the volume in deciliters." [UOC:GVG]

UO_0000209

deciliter

UO_1000099

"A volume unit which is equal to one tenth of a liter or 10^[-1] L." [NIST:NIST]

UO_0000210

colony forming unit

UO_0000189

"A dimensionless count unit which a measure of viable bacterial numbers." [Wikipedia:Wikipedia]

UO_0000211

plaque forming unit

UO_0000189

"A dimensionless count unit which a measure of plague forming units in a given volume." [Wikipedia:Wikipedia]

UO_0000212

colony forming unit per volume

UO_0000051

"A concentration unit which a measure of viable bacterial numbers in a given volume." [Wikipedia:Wikipedia]

UO_0000213

colony forming unit per milliliter

UO_0000212

"A colony forming unit which a measure of viable bacterial numbers in one milliliter." [Wikipedia:Wikipedia]

UO_0000214

plaque forming unit per volume

UO_0000051

"A concentration unit which a measure of plague forming units in a given volume." [UOC:GVG]

UO_0000215

plaque forming unit per milliliter

UO_0000214

"A concentration unit which a measure of plague forming units in one milliliter." [UOC:GVG]

UO_0000216

disintegrations per second

UO_0000128

UO_0000217

electric potential difference unit

UO_0000000

"A unit which is a standard measure of the work done per unit charge as a charge is moved between two points in an electric field." [Wikipedia:Wikipedia]

UO_0000218

volt

UO_1000218

"An electric potential difference unit which is equal to the work per unit charge. One volt is the potential difference required to move one coulomb of charge between two points in a circuit while using one joule of energy." [Wikipedia:Wikipedia]

UO_0000219

electric charge

UO_0000000

"A unit which is a standard measure of the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons." [WordNet:WordNet]

UO_0000220

coulomb

UO_1000220

"An electrical charge unit which is equal to the amount of charge transferred by a current of 1 ampere in 1 second." [WordNet:WordNet]

UO_0000221

dalton

UO_0000002

"An independently to the base SI units defined mass unit which is equal to one twelfth of the mass of an unbound atom of the carbon-12 nuclide, at rest and in its ground state." [Wikipedia:Wikipedia]

UO_0000222

kilodalton

UO_0000002

"A mass unit which is equal to one thousand daltons." [Wikipedia:Wikipedia]

UO_0000223

watt-hour

UO_1000223

"An energy unit which is equal to the amount of electrical energy equivalent to a one-watt load drawing power for one hour." [Wikipedia:Wikipedia]

UO_0000224

kilowatt-hour

UO_1000223

"An energy unit which is equal to 1,000 watt-hours." [Wikipedia:Wikipedia]

UO_0000225

magnetic flux unit

UO_0000000

"A unit which is a standard measure of quantity of magnetism, taking account of the strength and the extent of a magnetic field." [Wikipedia:Wikipedia]

UO_0000226

weber

UO_1000226

"A magnetic flux unit which is equal to the amount of flux that when linked with a single turn of wire for an interval of one second will induce an electromotive force of one volt." [ScienceLobby:ScienceLobby]

UO_0000227

magnetic flux density unit

UO_0000000

"A unit which is a standard measure of the strength of a magnetic field." [allnet:allnet]

UO_0000228

tesla

UO_0000227

"A magnetic flux density unit which is equal to one weber per square meter." [WordNet:WordNet]

UO_0000229

volt-hour

UO_1000229

"A magnetic flux unit which is equal to 3600 Wb." [UOC:GVG]

UO_0000230

kilovolt-hour

UO_1000229

"A magnetic flux unit which is equal to one thousand volt-hours." [UOC:GVG]

UO_0000231

information unit

UO_0000000

"A unit which is a standard measure of the amount of information." [Wikipedia:Wikipedia]

UO_0000232

bit

UO_0000231

"An information unit which refers to a digit in the binary numeral system, which consists of base 2 digits (ie there are only 2 possible values: 0 or 1)." [Wikipedia:Wikipedia]

UO_0000233

byte

UO_0000231

"An information unit which is equal to 8 bits." [Wikipedia:Wikipedia]

UO_0000234

kilobyte

UO_0000231

"An information unit which is equal to 1000 bytes." [Wikipedia:Wikipedia]

UO_0000235

megabyte

UO_0000231

"An information unit which is equal to 1000 kB." [Wikipedia:Wikipedia]

UO_0000236

image resolution unit

UO_0000231

"An information unit which is a standard measure of the detail an image holds." [Wikipedia:Wikipedia]

UO_0000237

chroma sampling unit

UO_1000237

"An image resolution unit which is a standard measure of the amount of spatial detail in an image." [Wikipedia:Wikipedia]

UO_0000238

dynamic range unit

UO_1000238

"An image resolution unit which is a standard measure of the amount of contrast available in a pixel." [Wikipedia:Wikipedia]

UO_0000239

spatial resolution unit

UO_0000236

"An image resolution unit which is a standard measure of the way luminance and chrominance may be sampled at different levels." [Wikipedia:Wikipedia]

UO_0000240

dots per inch

UO_0000239

"A spatial resolution unit which is a standard measure of the printing resolution, in particular the number of individual dots of ink a printer or toner can produce within a linear one-inch space." [Wikipedia:Wikipedia]

UO_0000241

micron pixel

UO_0000239

"A spatial resolution unit which is equal to a pixel size of one micrometer." [Wikipedia:Wikipedia]

UO_0000242

pixels per inch

UO_0000239

"A spatial resolution unit which is a standard measure of the resolution of a computer display, related to the size of the display in inches and the total number of pixels in the horizontal and vertical directions." [Wikipedia:Wikipedia]

UO_0000243

pixels per millimeter

UO_0000239

"A spatial resolution unit which is a standard measure of the number of pixels in one millimeter length or width of a digital image divided by the physical length or width of a printed image." [Wikipedia:Wikipedia]

UO_0000244

base pair

UO_0000189

"A count unit which contains one nucleotide." [UO:GVG]

UO_0000245

kibibyte

UO_0000231

"An information unit which is equal to 1024 B." [NIST:NIST]

UO_0000246

mebibyte

UO_0000231

"An information unit which is equal to 1024 KiB." [NIST:NIST]

UO_0000247

millivolt

UO_1000218

"An electric potential difference unit which is equal to one thousandth of a volt or 10^[-3] V." [UOC:GVG]

UO_0000248

kilovolt

UO_1000218

"An electric potential difference unit which is equal to one thousand volts or 10^[3] V." [UOC:GVG]

UO_0000249

microvolt

UO_1000218

"An electric potential difference unit which is equal to one millionth of a volt or 10^[-6] V." [UOC:GVG]

UO_0000250

nanovolt

UO_1000218

"An electric potential difference unit which is equal to one billionth of a volt or 10^[-12] V." [UOC:GVG]

UO_0000251

picovolt

UO_1000218

"An electric potential difference unit which is equal to one trillionth of a volt or 10^[-12] V." [UOC:GVG]

UO_0000252

megavolt

UO_1000218

"An electric potential difference unit which is equal to one million volts or 10^[6] V." [UOC:GVG]

UO_0000253

surface tension unit

UO_0000000

"A unit which is a standard measure of the ability of a liguid to attraction of molecules at its surface as a result of unbalanced molecular cohesive forces." [NIST:NIST]

UO_0000254

newton per meter

UO_1000254

"A surface tension unit which is equal to one newton per meter." [NIST:NIST]

UO_0000255

dyne per cm

UO_1000255

"A surface tension unit which is equal to one dyne per centimeter." [Wikipedia:Wikipedia]

UO_0000256

viscosity unit

UO_0000000

"A unit which is a standard measure of the internal resistance of fluids to flow." [UOC:GVG]

UO_0000257

pascal second

UO_1000257

"A viscosity unit which is equal to one pascale per second." [NIST:NIST]

UO_0000258

poise

UO_1000258

"A viscosity unit which is equal to one dyne second per square centimeter." [Wikipedia:Wikipedia]

UO_0000259

decibel

UO_0000190

"A ratio unit which is an indicator of sound power per unit area." [techtarget:techtarget]

UO_0000260

effective dose unit

UO_0000127

"A unit which is a standard measure of the estimate of the stochastic effect that a non-uniform radiation dose has on a human." [Wikipedia:Wikipedia]

UO_0000261

conduction unit

UO_0000000

"A unit which represents a standard measurement of the transmission of an entity through a medium." [UOC:GVG]

UO_0000262

electrical conduction unit

UO_0000261

"A unit which represents a standard measurement of the movement of electrically charged particles through a transmission medium (electrical conductor)." [UOC:GVG]

UO_0000263

heat conduction unit

UO_0000261

"A unit which represents a standard measurement of the spontaneous transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature." [Wikipedia:Wikipedia]

UO_0000264

siemens

UO_0000262

"An electrical conduction unit which is equal to A/V." [NIST:NIST]

UO_0000265

watt per meter kelvin

UO_0000263

"An heat conduction unit which is equal to one watt divided by meter kelvin." [NIST:NIST]

UO_0000266

electronvolt

UO_0000111

"A non-SI unit of energy (eV) defined as the energy acquired by a single unbound electron when it passes through an electrostatic potential difference of one volt. An electronvolt is equal to 1.602 176 53(14) x 10^-19 J." [Wikipedia:Wikipedia]

UO_0000267

electric field strength unit

UO_0000000

"The electric field strength is a unit which is a measure of the potential difference between two points some distance apart." [Wikipedia:http://en.wikipedia.org/wiki/Electric_field]

UO_0000268

volt per meter

UO_0000267

"The volt per meter is a unit of electric field strength equal to the a potential difference of 1 volt existing between two points that are 1 meter apart." [Wikipedia:http://en.wikipedia.org/wiki/Electric_field]

UO_0000269

absorbance unit

UO_1000269

"A dimensionless logarithmic unit assigned to a measure of absorbance of light through a partially absorbing substance, defined as -log10(I/I_0) where I = transmitted light and I_0 = incident light." [Wikipedia:http://en.wikipedia.org/wiki/Absorbance]

UO_0000270

volumetric flow rate unit

UO_0000000

"A unit which is a standard measure of the volume of fluid which passes through a given surface per unit time ." [Wikipedia:Wikipedia]

UO_0000271

microliters per minute

UO_0000270

"A volumetric flow rate unit which is equal to one microliter volume through a given surface in one minute." [UOC:GVG]

UO_0000272

millimetres of mercury

UO_0000109

"A unit of pressure equal to the amount of fluid pressure one millimeter deep in mercury at zero degrees centigrade on Earth." [url:en.wiktionary.org/wiki/mmHg]

UO_0000273

milligram per liter

UO_0000052

"A mass unit density which is equal to mass of an object in milligrams divided by the volume in liters." [UOC:GVG]

UO_0000274

microgram per milliliter

UO_1000173

"A mass unit density which is equal to mass of an object in micrograms divided by the volume in millliters." [UOC:GVG]

UO_0000275

nanogram per milliliter

UO_1000173

"A mass unit density which is equal to mass of an object in nanograms divided by the volume in milliliters." [UOC:GVG]

UO_0000276

amount per container

UO_0000051

"A concentration unit which is a standard measure of the amount of a substance in a given container." [UOC:GVG]

UO_0000277

ug/disk

UO_0000276

"A unit which is equal to one microgram per disk, where a disk is some physical surface/container upon which the substance is deposited." [UOC:MD]

UO_0000278

nmole/disk

UO_0000276

"A unit which is equal to one nanomole per disk, where a disk is some physical surface/container upon which the substance is deposited." [UOC:MD]

UO_0000279

milliunits per milliliter

UO_0000177

"A unit per milliliter unit which is equal to one thousandth of a unit of an agreed arbitrary amount per one milliliter." [UOC:GVG]

UO_0000280

rate unit

UO_0000000

"A unit which represents a standard measurement occurrence of a process per unit time." [UOC:GVG]

UO_0000281

count per nanomolar second

UO_1000281

"A rate unit which is equal to one over one nanomolar second." [UOC:GVG]

UO_0000282

count per molar second

UO_1000282

"A rate unit which is equal to one over one molar second." [UOC:GVG]

UO_0000283

kilogram per hectare

UO_0000054

"An area density unit which is equal to the mass of an object in kilograms divided by the surface area in hectares." [UO:GVG]

UO_0000284

count per nanomolar

UO_1000284

"A rate unit which is equal to one over one nanomolar." [UO:GVG]

UO_0000285

count per molar

UO_1000285

"A rate unit which is equal to one over one molar." [UO:GVG]

UO_0000286

yotta

UO_0000046

"A prefix in the metric system denoting a factor of ten to the power of 24." [UO:GVG]

UO_0000287

hecto

UO_0000046

"A prefix in the metric system denoting a factor of one hundred." [UO:GVG]

UO_0000288

zetta

UO_0000046

"A prefix in the metric system denoting a factor of ten to the power of 21." [UO:GVG]

UO_0000289

exa

UO_0000046

"A prefix in the metric system denoting a factor of ten to the power of 18." [UO:GVG]

UO_0000290

peta

UO_0000046

"A prefix in the metric system denoting a factor of ten to the power of 15." [UO:GVG]

UO_0000291

tera

UO_0000046

"A prefix in the metric system denoting a factor of ten to the power of 12." [UO:GVG]

UO_0000292

giga

UO_0000046

"A prefix in the metric system denoting a factor of ten to the power of 9." [UO:GVG]

UO_0000293

mega

UO_0000046

"A prefix in the metric system denoting a factor of million." [UO:GVG]

UO_0000294

kilo

UO_0000046

"A prefix in the metric system denoting a factor of one thousand." [UO:GVG]

UO_0000295

deca

UO_0000046

"A prefix in the metric system denoting a factor of ten." [UO:GVG]

UO_0000296

deci

UO_0000046

"A prefix in the metric system denoting a factor of one tenth." [UO:GVG]

UO_0000297

milli

UO_0000046

"A prefix in the metric system denoting a factor of one thousand." [UO:GVG]

UO_0000298

centi

UO_0000046

"A prefix in the metric system denoting a factor of one hundred." [UO:GVG]

UO_0000299

micro

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -6." [UO:GVG]

UO_0000300

nano

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -9." [UO:GVG]

UO_0000301

microgram per liter

UO_0000052

"A mass unit density which is equal to mass of an object in micrograms divided by the volume in liters." [UOC:GVG]

UO_0000302

pico

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -12." [GVG:UO]

UO_0000303

femto

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -15." [UO:GVG]

UO_0000304

atto

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -18." [UO:GVG]

UO_0000305

zepto

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -21." [UO:GVG]

UO_0000306

yocto

UO_0000046

"A prefix in the metric system denoting a factor of 10 to the power of -24." [UO:GVG]

UO_0000307

dose unit

UO_0000051

"A concentration unit which is a standard measure of the amount of a toxic or pharmaceutical substance administered to a recipient subject, expressed in terms of the size of the subject." [UO:PC]

UO_0000308

milligram per kilogram

UO_0000307

"A dose unit which is equal to 1 milligram of a toxic or pharmaceutical substance per kilogram body weight of the recipient subject." [UO:PC]

UO_0000309

milligram per square meter

UO_0000307

"A dose unit which is equal to 1 milligram of a toxic or pharmaceutical substance per square meter of surface area of the recipient subject." [UO:PC]

UO_0000310

dosage unit

UO_1000310

"A concentration unit which is a standard measure of the amount of a toxic or pharmaceutical substance administered over time to a recipient subject, expressed in terms of the size of the subject." [UO:PC]

UO_0000311

milligram per kilogram per day

UO_0000310

"A dosage unit which is equal to 1 milligram per day of a toxic or pharmaceutical substance per kilogram body weight of the recipient subject." [UO:PC]

UO_0000312

relative light unit

UO_1000312

"A derived unit which is a measure of relative light intensity, as typically measured by a luminometer, spectrophotometer, or fluorimeter in biological research applications." [UO:PC]

UO_0000313

relative luminescence unit

UO_1000313

"A relative light unit which is a measure of relative luminescence intensity." [UO:PC]

UO_0000314

relative fluorescence unit

UO_1000314

"A relative light unit which is a measure of relative fluorescence intensity." [UO:PC]

UO_0000315

turbidity unit

UO_0000000

"A unit used to indicate the clarity of water or other solutions or suspensions, as measured by the ability of the solution or suspension to scatter light of a defined wavelength range." [UO:PC]

UO_0000316

cells per microliter

UO_0000200

"A unit of cell concentration which is equal to one cell in a volume of 1 microliter." [UO:GVG]

UO_0000317

cells per well

UO_0000200

"A unit of cell concentration which is equal to 1 cell in a well or discrete container of arbitrary volume." [UO:PC]

UO_0000318

formazin nephelometric unit

UO_0000315

"1000 formazin turbidity units (FNU) on the empirical formazin turbidity scale represents reflectance of insol. reaction products of 0.0725 g hydrazine sulfate with 0.7250 g hexamethylenetetramine diluted to 1 L." [AOAC:192]

UO_0000319

radioactivity concentration

UO_0000051

"A concentration unit which is a standard measure of the amount of radioactivity in a given volume." [UO:GVG]

UO_0000320

curie per liter

UO_0000319

"A unit of radioactivity concentration which is equal to one curie in a volume of 1 liter." [UO:GVG]

UO_0000321

microcurie per milliliter

UO_0000319

"A unit of radioactivity concentration which is equal to one micro curie in a volume of 1 liter." [UO:GVG]

UO_0000322

fold dilution

UO_0000186

"A unit that is the ratio of concentration of two solutions of interest, typically with one solution derived from the other by the addition of solvent." [UO:PC]

UO_0000323

ton per hectare

UO_0000054

"An area density unit which is equal to the mass of an object in tons divided by the surface area in hectares." [UO:GVG]

UO_0000324

square angstrom

UO_0000047

"An area unit which is equal to an area enclosed by a square with sides each 1 angstrom long." [UOC:GVG]

UO_0000325

megaHertz

UO_0000105

"A frequency unit which is equal to one million hertz or 10^[6] V." [UOC:GVG]

UO_0000326

centiMorgan

UO_0000001

"A unit used to express distances on a genetic map. In genetic mapping, distances between markers are determined by measuring the rate of meoitic recombination between them, which increases proportionately with the distance separating them. A cM is defined as the length of an interval in which there is a 1% probability of recombination. On the average, 1 cM is roughly equivalent to 1 megabase (Mb) of DNA, although this can vary widely due to hot and cold spots of recombination." [NCBI:http://www.ncbi.nlm.nih.gov/SCIENCE96/Glossary.html]

UO_0000327

centiRay

UO_0000001

"A unit of genetic map distance defined corresponding to an interval in which there is a 1% probability of X-irradiation induced breakage. To be completely specified, the unit must be qualified by the radiation in dosage in rads (e.g. cR8000), because this determines the actual breakage probability." [NCBI:http://www.ncbi.nlm.nih.gov/SCIENCE96/Glossary.html]

UO_0000328

kilo base pair

UO_0000244

"A unit equal to one thousand base pairs." [UOC:GVG]

UO_0000329

mega base pair

UO_0000244

"A unit equal to one million base pairs" [UOC:GVG]

UO_0000330

giga base pair

UO_0000244

"A unit equal to one billion base pairs." [UOC:GVG]

UO_0000331

gigabyte

UO_0000231

"An information unit which is equal to 1000000000 bytes." [UO:GVG]

UO_0000332

terabyte

UO_0000231

"An information unit which is equal to 1000 gigabytes." [UO:GVG]

UO_0010001

square micrometer

UO_1010001

"An area unit which is equal to an area enclosed by a square with sides each 1 micrometer long." [NIST:NIST]

UO_0010002

millisiemens

UO_0000262

"An electrical conduction unit which is equal to one thousandth of a siemen or 10^[-3] siemens." [NIST:NIST]

UO_0010003

micromole per litre

UO_0000067

"A specific concentration unit which is equal to 1 micromole in a given volume of one thousandth of a cubic meter." [NIST:NIST]

UO_0010004

micromole per kilogram

UO_0000067

"A specific concentration unit which is equal to 1 micromole of a given substance per kilogram of solvent." [UOB:LKSR]

UO_0010005

millimeters per day

UO_0000060

"A speed/velocity unit which is equal to the speed of an object traveling 1 millimeter distance in one day." [UOB:LKSR]

UO_0010006

ratio

UO_0000190

"A dimensionless ratio unit which, given a pair of quantities a and b, for which b is a multiple of a, denotes b by giving the multiplier (coefficient) c for a to result in b." [UOB:LKSR]

UO_0010007

volt-second per square centimeter

UO_0000262

"An electrical mobility unit which is equal to one volt second per square centimeter." [UOB:LKSR]

UO_0010008

kilometer per hour

UO_0000060

"A speed/velocity unit which is equal to the speed of an object traveling 1 kilometer distance in one hour." [NIST:NIST]

UO_0010009

milli

UO_0000002

"A mass unit which is equal to 1/12 the mass of 12C" [Wikipedia:Wikipedia]

UO_0010010

hectare

UO_1010010

"An area unit which is equal to an area of 10,000 square meters. Equivalent to 2.471 acres." [Wikipedia:Wikipedia]

UO_0010011

inch

UO_0000001

"A length unit which is equal to 0.0254 metres." [Wikipedia:Wikpiedia]

UO_0010012

thou

UO_0000001

"A length unit which is equal to 0.0254 millimetres." [Wikipedia:Wikpiedia]

UO_0010013

foot

UO_0000001

"A length unit which is equal to 0.3048 metres, or 12 inches." [Wikipedia:Wikpiedia]

UO_0010014

yard

UO_0000001

"A length unit which is equal to 0.9144 metres, or 3 feet." [Wikipedia:Wikpiedia]

UO_0010015

chain

UO_1010015

"A length unit which is equal to 20.1168 metres, 66 feet, or 22 yards." [Wikipedia:Wikpiedia]

UO_0010016

furlong

UO_1010016

"A length unit which is equal to 20,116.8 metres, 660 feet, or 10 chains." [Wikipedia:Wikpiedia]

UO_0010017

mile

UO_0000001

"A length unit which is equal to 1,609.344 metres, or 8 furlongs." [Wikipedia:Wikpiedia]

UO_0010018

league

UO_0000001

"A length unit which is equal to 3 miles, or 4,828.032 metres" [Wikipedia:Wikpiedia]

UO_0010019

maritime length unit

UO_0000001

"A maritime length unit is one used primarily at sea." [Wikipedia:Wikpiedia]

UO_0010020

fathom

UO_1010020

"A maritime length unit which is equal to 6.08 feet, or 1.853184 metres" [Wikipedia:Wikpiedia]

UO_0010021

cable

UO_1010021

"A maritime length unit which is equal to 608 feet, 100 fathoms, or 185.3184 metres" [Wikipedia:Wikpiedia]

UO_0010022

nautical mile

UO_1010022

"A maritime length unit which is equal to 6,080 feet, 10 cables, or 1,853.184 metres" [Wikipedia:Wikpiedia]

UO_0010023

perch

UO_0000047

"An area unit which is equal to an area of 25.292,852,64 square meters, or 1 square rod." [Wikipedia:Wikipedia]

UO_0010024

rood

UO_1010024

"An area unit which is equivalent to 1 furlong x 1 rod. This is equal to an area of 1,011.714,1056 square meters, or 40 square rods." [Wikipedia:Wikipedia]

UO_0010025

acre

UO_1010025

"An area unit which is equivalent to 1 furlong x 1 chain. This is equal to an area of 4,046.856,4224 square meters, or 43,500 square feet." [Wikipedia:Wikipedia]

UO_0010026

fluid ounce

UO_0000095

"An imperial volume unit which is equivalent to 28.413,0625 millilitres." [Wikipedia:Wikipedia]

UO_0010027

gill

UO_0000095

"An imperial volume unit which is equivalent to 142.065,3125 millilitres." [Wikipedia:Wikipedia]

UO_0010028

pint

UO_0000095

"An imperial volume unit which is equivalent to 568.261,25 millilitres." [Wikipedia:Wikipedia]

UO_0010029

quart

UO_1010029

"An imperial volume unit which is equivalent to 1,136.5225 millilitres, or two pints." [Wikipedia:Wikipedia]

UO_0010030

gallon

UO_0000095

"An imperial volume unit which is equivalent to 4,546.09 millilitres, or 8 pints." [Wikipedia:Wikipedia]

UO_0010031

grain

UO_0000002

"An imperial mass unit which is equivalent to 64.798,91 milligrams." [Wikipedia:Wikipedia]

UO_0010032

drachm

UO_0000002

"An imperial mass unit which is equivalent to 1.771,845,195,3125 grams, or 1/256 of 1 pound." [Wikipedia:Wikipedia]

UO_0010033

ounce

UO_0000002

"An imperial mass unit which is equivalent to 28.349,523,125 grams, or 1/16 of 1 pound." [Wikipedia:Wikipedia]

UO_0010034

pound

UO_0000002

"An imperial mass unit which is equivalent to 453.592,37 grams." [Wikipedia:Wikipedia]

UO_0010035

stone

UO_0000002

"An imperial mass unit which is equivalent to 6,350.293,18 grams, or 14 pounds." [Wikipedia:Wikipedia]

UO_0010036

quarter

UO_1010036

"An imperial mass unit which is equivalent to 12.700,586,36 kilograms, or 28 pounds." [Wikipedia:Wikipedia]

UO_0010037

hundredweight

UO_1010037

"An imperial mass unit which is equivalent to 50.802,345,44 kilograms, 112 pounds, or 8 stone." [Wikipedia:Wikipedia]

UO_0010038

ton

UO_0000002

"An imperial mass unit which is equivalent to 1,016.046,9088 kilograms, or 2,240 pounds." [Wikipedia:Wikipedia]

UO_0010039

slug

UO_1010039

"An imperial gravitational unit which is equivalent to a mass that accelerates by 1ft/s?? when a force of one pound (lbf) is exerted on it." [Wikipedia:Wikipedia]

UO_0010040

teaspoon

UO_0000095

"A metric teaspoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 5mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Teaspoon]

UO_0010041

united states customary teaspoon

UO_0000095

"A United States customary units teaspoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 4.93 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]

UO_0010042

tablespoon

UO_0000095

"A metric tablespoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 15mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Tablespoon]

UO_0010043

australian metric tablespoon

UO_0000095

"An Australian metric tablespoon is a unit of measurement of volume used in Australia for cooking recipes and pharmaceutic prescriptions. It equals a 20mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Tablespoon]

UO_0010044

united states customary tablespoon

UO_0000095

"A United States customary units tablespoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 14.79 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]

UO_0010045

metric cup

UO_0000095

"A metric cup is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 250mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Cooking_weights_and_measures]

UO_0010046

united states customary cup

UO_0000095

"A United States customary units cup is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 236.59 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]

UO_0010047

united states fda cup

UO_0000095

"A United States FDA cup is a unit of measurement of volume used by the US Federal Department of Agriculture as a nutritional serving measure. It equals a 240 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]

UO_0010048

micromole

UO_0000006

"A substance unit which is equal to one millionth of a mole." [UOB:LTS]

UO_0010049

gram per square meter

UO_0000054

"An area density unit which is equal to the mass of an object in grams divided by the surface area in meters squared." [NIST:NIST]

UO_0010050

nanogram per microliter

UO_0000052

"A mass unit density which is equal to mass of an object in nanograms divided by the volume in microliters." [UOB:LTS]

UO_0010051

large calorie

UO_0000111

"A unit of energy widely used in nutrition, equivalent to the amount of heat needed to cause one kilogram of water to rise in temperature by one degree Celsius." [Wikipedia:Wikipedia]

UO_0010052

pounds per square inch

UO_0000109

"A pressure unit which is equal to 6894.757 pascal." [Wikipedia:Wikipedia]

UO_0010053

micrograms per wheaton bottle

UO_0000052

"A unit of mass concentration defined as the number of micrograms of a substance per 250 ml Wheaton bottle." [UOB:LTS]

UO_0010054

picoampere

UO_1000011

"An electric current unit current which is equal to one trillionth of an ampere or 10^[-12] A." [UOB:LTS]

UO_0010055

centigray

UO_1000134

"An absorbed dose unit which is equal to 0.01 gray (Gy)"

UO_0010056

gigaelectronvolt

UO_0000111

"A unit of energy that is equal to one thousand million electronvolts."

UO_0010057

gigaelectronvolt per nucleon

UO_0000111

"Derived unit which is equal to the total kinetic energy of an atomic nucleus in GeV divided by the number of nucleons in the nucleus"

UO_0010058

megaelectronvolt per nucleon

UO_0000111

"Derived unit which is equal to the total kinetic energy of an atomic nucleus in MeV divided by the number of nucleons in the nucleus"

UO_0010059

kiloelectronvolt per micron

UO_0000111

"A derived unit equal to the energy deposited by ionizing radiation per micron of path length in matter"

UO_0010060

gray per minute

UO_1010060

"A derived absorbed dose unit which is equal to one gray absorbed per minute."

UO_0010061

centigray per minute

UO_1010060

"A derived absorbed dose unit which is equal to one centigray absorbed per minute."

UO_0010062

milligray per minute

UO_1010060

"A derived absorbed dose unit which is equal to one milligray absorbed per minute."

UO_0010063

milligray per day

UO_0000129

"A derived absorbed dose unit which is equal to one milligray absorbed per day."

UO_1000008

meter based unit

UO_0000001

UO_1000010

second based unit

UO_0000003

UO_1000011

ampere based unit

UO_0000004

UO_1000012

kelvin based unit

UO_0000005

UO_1000013

mole based unit

UO_0000006

UO_1000014

candela based unit

UO_0000007

UO_1000019

angstrom based unit

UO_0000001

UO_1000021

gram based unit

UO_0000002

UO_1000027

degree Celsius based unit

UO_0000005

UO_1000031

minute based unit

UO_0000003

UO_1000032

hour based unit

UO_0000003

UO_1000033

day based unit

UO_0000003

UO_1000034

week based unit

UO_0000003

UO_1000035

month based unit

UO_0000003

UO_1000036

year based unit

UO_0000003

UO_1000062

molar based unit

UO_0000061

UO_1000068

molal based unit

UO_0000067

UO_1000075

normal based unit

UO_0000074

UO_1000076

mole fraction based unit

UO_0000191

UO_1000077

meter per second per second based unit

UO_0000048

UO_1000078

radian per second per second based unit

UO_0000050

UO_1000079

radian per second based unit

UO_0000049

UO_1000080

square meter based unit

UO_0000047

UO_1000081

square centimeter based unit

UO_0000047

UO_1000082

square millimeter based unit

UO_0000047

UO_1000084

gram per cubic centimeter based unit

UO_0000052

UO_1000085

candela per square meter based unit

UO_0000053

UO_1000088

gram per mole based unit

UO_0000055

UO_1000089

cubic meter per mole based unit

UO_0000056

UO_1000090

cubic centimeter per mole based unit

UO_0000056

UO_1000092

turns per second based unit

UO_0000058

UO_1000093

cubic meter per kilogram based unit

UO_0000059

UO_1000094

meter per second based unit

UO_0000060

UO_1000096

cubic meter based unit

UO_0000095

UO_1000097

cubic centimeter based unit

UO_0000095

UO_1000099

liter based unit

UO_0000095

UO_1000100

cubic decimeter based unit

UO_0000095

UO_1000106

hertz based unit

UO_0000105

UO_1000108

newton based unit

UO_0000107

UO_1000110

pascal based unit

UO_0000109

UO_1000112

joule based unit

UO_0000111

UO_1000114

watt based unit

UO_0000113

UO_1000116

lux based unit

UO_0000115

UO_1000118

lumen based unit

UO_0000117

UO_1000120

katal based unit

UO_0000119

UO_1000123

radian based unit

UO_0000122

UO_1000125

steradian based unit

UO_0000124

UO_1000132

becquerel based unit

UO_0000128

UO_1000133

curie based unit

UO_0000128

UO_1000134

gray based unit

UO_0000129

UO_1000135

rad based unit

UO_0000129

UO_1000136

roentgen based unit

UO_0000131

UO_1000137

sievert based unit

UO_0000130

UO_1000140

Roentgen equivalent man based unit

UO_0000130

UO_1000147

disintegrations per minute based unit

UO_0000128

UO_1000148

counts per minute based unit

UO_0000128

UO_1000151

century based unit

UO_0000003

UO_1000152

half life based unit

UO_0000003

UO_1000153

foot candle based unit

UO_0000115

UO_1000155

watt per square meter based unit

UO_0000154

UO_1000156

einstein per square meter per second based unit

UO_0000154

UO_1000158

watt per steradian per square meter based unit

UO_0000161

UO_1000162

watt per steradian based unit

UO_0000159

UO_1000163

mass percentage based unit

UO_0000187

UO_1000164

mass volume percentage based unit

UO_0000187

UO_1000165

volume percentage based unit

UO_0000205

UO_1000167

parts per hundred based unit

UO_0000166

UO_1000168

parts per thousand based unit

UO_0000166

UO_1000169

parts per million based unit

UO_0000166

UO_1000170

parts per billion based unit

UO_0000166

UO_1000171

parts per trillion based unit

UO_0000166

UO_1000172

parts per quadrillion based unit

UO_0000166

UO_1000173

gram per milliliter based unit

UO_0000052

UO_1000175

gram per liter based unit

UO_0000052

UO_1000178

unit per milliliter based unit

UO_0000177

UO_1000179

unit per liter based unit

UO_0000177

UO_1000180

mass per unit volume based unit

UO_0000051

UO_1000181

enzyme unit based unit

UO_0000119

UO_1000185

degree based unit

UO_0000122

UO_1000188

pi based unit

UO_0000186

UO_1000192

molecule count based unit

UO_0000189

UO_1000193

purity percentage based unit

UO_0000187

UO_1000194

confluence percentage based unit

UO_0000187

UO_1000195

degree Fahrenheit based unit

UO_0000005

UO_1000196

pH based unit

UO_0000186

UO_1000197

liter per kilogram based unit

UO_0000059

UO_1000201

cells per milliliter based unit

UO_0000200

UO_1000203

katal per cubic meter based unit

UO_0000202

UO_1000204

katal per liter based unit

UO_0000202

UO_1000208

gram per deciliter based unit

UO_0000052

UO_1000210

colony forming unit based unit

UO_0000189

UO_1000211

plaque forming unit based unit

UO_0000189

UO_1000213

colony forming unit per milliliter based unit

UO_0000212

UO_1000215

plaque forming unit per milliliter based unit

UO_0000214

UO_1000216

disintegrations per second based unit

UO_0000128

UO_1000218

volt based unit

UO_0000217

UO_1000220

coulomb based unit

UO_0000219

UO_1000221

dalton based unit

UO_0000002

UO_1000223

watt-hour based unit

UO_0000111

UO_1000226

weber based unit

UO_0000225

UO_1000228

tesla based unit

UO_0000227

UO_1000229

volt-hour based unit

UO_0000225

UO_1000232

bit based unit

UO_0000231

UO_1000233

byte based unit

UO_0000231

UO_1000237

chroma sampling unit based unit

UO_0000236

UO_1000238

dynamic range unit based unit

UO_0000236

UO_1000240

dots per inch based unit

UO_0000239

UO_1000242

pixels per inch based unit

UO_0000239

UO_1000243

pixels per millimeter based unit

UO_0000239

UO_1000244

base pair based unit

UO_0000189

UO_1000245

kibibyte based unit

UO_0000231

UO_1000246

mebibyte based unit

UO_0000231

UO_1000254

newton per meter based unit

UO_0000253

UO_1000255

dyne per cm based unit

UO_0000253

UO_1000257

pascal second based unit

UO_0000256

UO_1000258

poise based unit

UO_0000256

UO_1000260

effective dose unit based unit

UO_0000127

UO_1000264

siemens based unit

UO_0000262

UO_1000265

watt per meter kelvin based unit

UO_0000263

UO_1000266

electronvolt based unit

UO_0000111

UO_1000268

volt per meter based unit

UO_0000267

UO_1000269

absorbance unit based unit

UO_0000186

UO_1000281

count per nanomolar second based unit

UO_0000280

UO_1000282

count per molar second based unit

UO_0000280

UO_1000284

count per nanomolar based unit

UO_0000280

UO_1000285

count per molar based unit

UO_0000280

UO_1000310

dosage unit based unit

UO_0000051

UO_1000312

relative light unit based unit

UO_0000157

UO_1000313

relative luminescence unit based unit

UO_0000312

UO_1000314

relative fluorescence unit based unit

UO_0000312

UO_1010001

square micrometer based unit

UO_0000047

UO_1010010

hectare based unit

UO_0000047

UO_1010011

inch based unit

UO_0000001

UO_1010012

thou based unit

UO_0000001

UO_1010013

foot based unit

UO_0000001

UO_1010014

yard based unit

UO_0000001

UO_1010015

chain based unit

UO_0000001

UO_1010016

furlong based unit

UO_0000001

UO_1010017

mile based unit

UO_0000001

UO_1010018

league based unit

UO_0000001

UO_1010019

maritime length unit based unit

UO_0000001

UO_1010020

fathom based unit

UO_0010019

UO_1010021

cable based unit

UO_0010019

UO_1010022

nautical mile based unit

UO_0010019

UO_1010023

perch based unit

UO_0000047

UO_1010024

rood based unit

UO_0000047

UO_1010025

acre based unit

UO_0000047

UO_1010026

fluid ounce based unit

UO_0000095

UO_1010027

gill based unit

UO_0000095

UO_1010028

pint based unit

UO_0000095

UO_1010029

quart based unit

UO_0000095

UO_1010030

gallon based unit

UO_0000095

UO_1010031

grain based unit

UO_0000002

UO_1010032

drachm based unit

UO_0000002

UO_1010033

ounce based unit

UO_0000002

UO_1010034

pound based unit

UO_0000002

UO_1010035

stone based unit

UO_0000002

UO_1010036

quarter based unit

UO_0000002

UO_1010037

hundredweight based unit

UO_0000002

UO_1010038

ton based unit

UO_0000002

UO_1010039

slug based unit

UO_0000111

UO_1010040

teaspoon based unit

UO_0000095

UO_1010049

gram per square meter based unit

UO_0000054

UO_1010051

large calorie based unit

UO_0000111

UO_1010060

gray per minute based unit

UO_0000129

UO_01200005

decisiemens per metre

UO_1000264

UO_01200025

cubic meters per hectare

UO_1000096

HDB_UO:000001

megajoules per square metre

UO_1000112

HDB_UO:000002

microgram per gram

microgram per gram unit

Overview:

Overview:

Tools:

Unit List