Subset Code	Subset Preferred Term	Concept Code	NCIt Preferred Term	NCIt SY	NCIt AB	NCIt Definition	UCUM Preferred Term	UCUM Synonym
C67567	UCUM Terminology	C70496	Anti-Coagulation Factor Xa Unit			A unit of anti-factor Xa anticoagulation activity of unfractionated or low molecular weight heparin.	anti factor Xa unit	[anti'Xa'U]
C67567	UCUM Terminology	C217667	Bel 10 Nanovolt			A logarithmic voltage ratio with a voltage reference of 1 nanovolt.	bel 10 nanovolt	B[10.nV]
C67567	UCUM Terminology	C217477	Centesimal Series of Attenuation	[hp'_C]		Preparation of a homeopathic substance with a ratio of one part original material to 100 parts of carrier or solvent.	homeopathic potency of centesimal series (retired)	[HP'_C] || [hp'_C]
C67567	UCUM Terminology	C217479	Decimal Korsakovian Series of Attenuation	[kp_X]		Preparation of a homeopathic substance with a ratio of one part original material to 10 parts of carrier or solvent; a faster and cost-effective dilution method developed by Semyon Korsakov. This preparation method uses a single vial for the dilution process.	homeopathic potency of decimal korsakovian series	[KP_X] || [kp_X]
C67567	UCUM Terminology	C217478	Decimal Series of Attenuation	[hp'_X]		Preparation of a homeopathic substance with a ratio of one part original material to 10 parts of carrier or solvent.	homeopathic potency of decimal series (retired)	[HP'_X] || [hp'_X]
C67567	UCUM Terminology	C217682	Degree Rankine	Degree Ra		A unit of temperature defined as degrees Fahrenheit plus 459.67 and 0 degrees Rankine (R) is the lowest possible temperature, similar to Kelvin. The freezing point of water is 491.67 degrees R and its boiling point is 671.67 degrees R.	degree Rankine	[degR]
C67567	UCUM Terminology	C217683	Degree Reaumur	Degree Réaumur		A unit of temperature, where the freezing point of water is 0 degrees Réaumur (Ré) and the boiling point is 80 degrees Ré at normal atmospheric pressure.	degree Réaumur	[degRe]
C67567	UCUM Terminology	C100899	Diopter	[diop]		A unit of measurement of the optical power of a curved mirror or lens represented by the inverse of the focal length in meters.	diopter	[diop]
C67567	UCUM Terminology	C96599	Ehrlich Unit	[EU] || {mg urobilinogen}/dL || {mg urobilinogen}/dl		A unit of measure equal to one milligram of urobilinogen per deciliter.	Ehrlich unit	[EU]
C67567	UCUM Terminology	C96649	Fibrinogen Equivalent Unit	[FEU]		A unit of measure for the concentration of fibrin degradation products in a sample, calculated based upon the mass of fibrinogen contained within that sample.	fibrinogen equivalent unit	[FEU]
C67567	UCUM Terminology	C204705	Gram per 9000 Meters	g/(9000).m || g/9000 m || g/9000m		A unit of measure for the linear mass density of fibers in grams per 9000 meters of the fiber.	Denier	[den]
C67567	UCUM Terminology	C150900	Hybrid Resistance Units	Wood Unit || mmHg*min/L || mm[Hg].min/L || mm[Hg].min/l		A unit of resistance equal to the number of millimeters of mercury times minutes, per unit of volume equal to one liter.	Wood unit	[wood'U]
C67567	UCUM Terminology	C217688	Index of Reactivity			The amount of an allergen calibrated through in-vivo testing using the Stallergenes skin prick test device.	index of reactivity	[IR]
C67567	UCUM Terminology	C217697	Meter per Square Seconds per Square Root of Hertz			A unit for amplitude spectral density; it is often used to report the amplitude density for electronic noise.	meter per square seconds per square root of hertz	[m/s2/Hz^(1/2)]
C67567	UCUM Terminology	C217699	Metric Cup			A unit of volume equivalent to 250 milliliters.	metric cup	[cup_m]
C67567	UCUM Terminology	C217700	Metric Fluid Ounce			A unit of volume equivalent to 29.6 milliliters in the US and 28.4 milliliters in Britian.	metric fluid ounce	[foz_m]
C67567	UCUM Terminology	C217701	Metric Ounce			A unit of mass equivalent to 28.3495 grams.	metric ounce	[oz_m]
C67567	UCUM Terminology	C217702	Metric Tablespoon			A unit of volume equivalent to 15 milliliters.	metric tablespoon	[tbs_m]
C67567	UCUM Terminology	C217703	Metric Teaspoon			A unit of volume equivalent to 5 milliliters.	metric teaspoon	[tsp_m]
C67567	UCUM Terminology	C217483	Millesimal Korsakovian Series of Attenuation	[kp_M]		Preparation of a homeopathic substance with a ratio of one part original material to 1,000 parts of carrier or solvent; a faster and cost-effective dilution method developed by Semyon Korsakov. This preparation method uses a single vial for the dilution process.	homeopathic potency of millesimal korsakovian series	[KP_M] || [kp_M]
C67567	UCUM Terminology	C217480	Millesimal Series of Attenuation	[hp'_M]		Preparation of a homeopathic substance with a ratio of one part original material to 1,000 parts of carrier or solvent.	homeopathic potency of millesimal series (retired)	[HP'_M] || [hp'_M]
C67567	UCUM Terminology	C68860	Minute Unit of Plane Angle	Arcminute || Minute		A unit of angular measure equal to 1/60 degree or to 60 arcseconds. This unit is often called the arcminute to distinguish it from the minute of time. There are 21600 arcminutes in a circle. The international standard ISO 31 requires that angles be stated in degrees and decimal fractions of the degree, without use of arcminutes and arcseconds.	minute	'
C67567	UCUM Terminology	C42554	Ohm	Ohm		A unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere. Ohm is also used to measure impedance and reactance for complex resistance. A measurement in ohms is the reciprocal of a measurement in siemens.	ohm	Ohm
C67567	UCUM Terminology	C217482	Quintamillesimal Korsakovian Series of Attenuation	[kp_Q]		Preparation of a homeopathic substance with a ratio of one part original material to 50,000 parts of carrier or solvent; a faster and cost-effective dilution method developed by Semyon Korsakov. This preparation method uses a single vial for the dilution process.	homeopathic potency of quintamillesimal korsakovian series	[KP_Q] || [kp_Q]
C67567	UCUM Terminology	C217481	Quintamillesimal Series of Attenuation	Fifty Millesimal Scale of Attenuation || [hp'_Q]		Preparation of a homeopathic substance with a ratio of one part original material to 50,000 parts of carrier or solvent.	homeopathic potency of quintamillesimal series (retired)	[HP'_Q] || [hp'_Q]
C67567	UCUM Terminology	C68861	Second Unit of Plane Angle	Arcsecond || Second		A unit of angular measure equal to 1/60 arcminute or to 1/360 degree. Second is also called the arcsecond to distinguish it from the second of time. There are 1296000 seconds in a circle. The international standard ISO 31 recommends that angles be stated in degrees and decimal fractions of the degree, without use of arcminutes and arcseconds.	second	"
C67567	UCUM Terminology	C217722	Tex			The linear mass density of textile fibers, measured in grams per kilometer.	tex	tex
C67567	UCUM Terminology	C44278	Unit	Units || {Unit} || {U}		A single undivided thing occurring in the composition of something else.	Unit	U
C67567	UCUM Terminology	C48570	Percent Unit	% || Percent || Percentage || Unit of Percent	% || /100	A unit for expressing a number as a fraction of hundred (on the basis of a rate or proportion per hundred).	percent	%
C67567	UCUM Terminology	C217707	Percent of Slope		%slope	The amount of elevation change divided by the amount of horizontal distance covered, also referred to as the "rise divided by the run", multiplied by 100.	percent of slope	%[slope]
C67567	UCUM Terminology	C70565	Part Per Billion	[ppb]	/10^10 || ppb	A unit of proportion equal to 10E-9.	parts per billion	[ppb]
C67567	UCUM Terminology	C217724	The Number Ten for Arbitrary Powers		10^	The number 10 raised to an arbitrary power.	the number ten for arbitrary powers	10*
C67567	UCUM Terminology	C25301	Day	d	24h || d	The time for Earth to make a complete rotation on its axis; ordinarily divided into twenty-four hours, equal to 86400 seconds. This also refers to a specific day.	day	d
C67567	UCUM Terminology	C71215	Angstrom		A || Ao || Å	A metric unit of length equal to 10E-10 meter or 0.1 nanometer.	Ångström	Ao
C67567	UCUM Terminology	C68867	Acre	Acre British || Acre International	A || Ar || ac || acr_br	A unit of area in British Imperial system named also the international acre. It is equal to 4046.8564224 square meters, or 10 square chains, or 160 square rods, 43560 square feet, or 4840 square yards.	acre	[acr_br]
C67567	UCUM Terminology	C42536	Ampere	A	A || amp	A unit of electric current, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). It is that constant current which, if maintained in two straight parallel conductors of infinite length and zero diameter separated by one meter in a vacuum, would produce between these conductors a force equal to 2x10E7 newton per meter of length. This is dependent upon the definitions of the meter, kilogram, and second. One ampere represents 6.24 x 10E18 unit electric charge carriers, such as electrons, passing a specified fixed point in one second.	ampère	A
C67567	UCUM Terminology	C122202	IgA Phospholipid Unit	APL U || [APL'U]	APL'U	A unit for semiquantitative measurement of IgA autoantibodies to proteins associated with negatively charged phospholipids evaluated against an established reference standard.	APL unit	[APL'U]
C67567	UCUM Terminology	C71246	Astronomic Unit		AU	A unit of length of the distance between earth and the sun, which is approximately 92,955,807.3 miles or 149,597,870.7 kilometers.	astronomic unit	AU
C67567	UCUM Terminology	C70503	Allergy Unit	AU || [AU] || allergen unit	AU || [AU]	A biological potency unit assigned to several standardized allergenic extracts, following in-vitro comparison of the test extract to an FDA CBER reference standard. The FDA CBER reference standard may be assigned a specific AU unitage based on quantitative skin testing in allergic individuals, or based on specific allergen content.	allergen unit	[AU]
C67567	UCUM Terminology	C92953	Allergen Unit for Ambrosia artemisiifolia	Amb a 1 Unit || Antigen E Unit || [Amb'a'1'U]	AgE Unit || Amb'a'1'U	An arbitrary unit for the measurement of Amb a 1 (or Antigen E), a 38 kD glycoprotein that is the major allergen in short ragweed pollen allergen extracts.	allergen unit for Ambrosia artemisiifolia	[Amb'a'1'U]
C67567	UCUM Terminology	C71200	Bel	B	B	A logarithmic ratio unit (base-10 logarithms) used to express relative magnitude of a physical quantity (usually power or intensity) in comparison with a specified or implied reference level. Particularly, Bel is used as a unit of relative sound intensity. In the latter context it is equal to ten decibels or to approximately 1.151293 nepers.	bel	B
C67567	UCUM Terminology	C217671	Bel Sound Pressure		B(SPL)	A logarithmic sound pressure ratio with a pressure reference of 1 bel.	bel sound pressure	B[SPL]
C67567	UCUM Terminology	C217672	Bel Volt		B(V)	A logarithmic voltage ratio with a voltage reference of 1 volt.	bel volt	B[V]
C67567	UCUM Terminology	C217673	Bel Watt		B(W)	A logarithmic power ratio with a power reference of 1 watt.	bel watt	B[W]
C67567	UCUM Terminology	C217668	Bel Kilowatt		B(kW)	A logarithmic power ratio with a power reference of 1 kilowatt.	bel kilowatt	B[kW]
C67567	UCUM Terminology	C217670	Bel Millivolt		B(mV)	A logarithmic voltage ratio with a voltage reference of 1 millivolt.	bel millivolt	B[mV]
C67567	UCUM Terminology	C217669	Bel Microvolt		B(uV)	A logarithmic voltage ratio with a voltage reference of 1 microvolt.	bel microvolt	B[uV]
C67567	UCUM Terminology	C69150	British Thermal Unit 39 Degrees Fahrenheit	British Thermal Unit at 39 Degrees Fahrenheit	B.T.U. (39F) || B.Th.U. (39F) || BTU (39F) || Btu_39	A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound avoirdupois of air-free water by one degree Fahrenheit (from 38.5 to 39.5 degrees) at a constant pressure of one atmosphere. The British thermal unit at 39 degrees Fahrenheit is based on the definition of the calorie value of water at its maximum density (4 degrees Celsius), and is equal to approximately 1.05967 kJ.	British thermal unit at 39 Degrees F	[Btu_39]
C67567	UCUM Terminology	C69151	British Thermal Unit 59 Degrees Fahrenheit	British Thermal Unit at 59 Degrees Fahrenheit	B.T.U. (59F) || B.Th.U. (59F) || BTU (59F) || Btu_59	A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound avoirdupois of air-free water by one degree Fahrenheit (from 58.5 to 59.5 degrees) at a constant pressure of one atmosphere. The British thermal unit at 59 degrees Fahrenheit is based on the definition of the 15 degrees Celsius calorie (exactly 4.1855 joules) and is equal to approximately 1.054804 kJ.	British thermal unit at 59 Degrees F	[Btu_59]
C67567	UCUM Terminology	C69152	British Thermal Unit 60 Degrees Fahrenheit	British Thermal Unit at 60 Degrees Fahrenheit	B.T.U. (60F) || B.Th.U. (60F) || BTU (60F) || Btu_60	A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound avoirdupois of air-free water by one degree Fahrenheit (from 59.5 to 60.5 degrees) at a constant pressure of one atmosphere. The British thermal unit at 60 degrees Fahrenheit is equal to approximately 1.05468 kJ.	British thermal unit at 60 Degrees F	[Btu_60]
C67567	UCUM Terminology	C69153	British Thermal Unit International Table		B.T.U. (IT) || B.Th.U. (IT) || BTU (IT) || Btu_IT	A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at a constant pressure of one atmosphere. International Table British thermal unit is based on the definition of the International Table calorie (exactly 4.1868 J) at the Fifth International Conference on the Properties of Steam (London, July 1956), and is equal to 1.05505585262 kJ.	international table British thermal unit	[Btu_IT]
C67567	UCUM Terminology	C69155	British Thermal Unit Thermochemical		B.T.U. (Th.) || B.Th.U. (Th.) || BTU (Th.) || Btu_th	A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound avoirdupois of air-free water by one degree Fahrenheit at a constant pressure of one atmosphere, based on the definition of the thermochemical calorie (exactly 4.1840 joules) by the U.S. Bureau of Standards, 1953. The thermochemical British thermal unit is equal to approximately 1.05435026444 kJ.	thermochemical British thermal unit	[Btu_th]
C67567	UCUM Terminology	C69154	British Thermal Unit Mean		B.T.U. (mean) || B.Th.U. (mean) || BTU (mean) || Btu_m	A non-SI unit of energy equal to 1/180 of the amount of heat required to raise the temperature of one pound avoirdupois of air-free water from 32 to 212 degrees Fahrenheit at a constant pressure of one atmosphere. Mean British thermal unit is equal to 1.05587 kJ.	mean British thermal unit	[Btu_m]
C67567	UCUM Terminology	C67196	British Thermal Unit		B.T.U. || B.Th.U. || BTU || Btu	A non-SI unit of energy equal to the amount of heat required to raise the temperature of one pound avoirdupois of air-free water by one degree Fahrenheit at a constant pressure of one atmosphere. The value of the unit depends on the initial temperature of the water and varies in the range of approximately 1.054 - 1.060 joules.	British thermal unit	[Btu]
C67567	UCUM Terminology	C70505	Bioequivalent Allergy Unit	[BAU]	BAU	A unit used for standardization of an allergenic product based on evaluation of product potency against reference standard in combined in vivo (skin test) and in vitro (IgE-based ELISA) testing.	bioequivalent allergen unit	[BAU]
C67567	UCUM Terminology	C217666	Baud	Bd	Bd	A unit of measure used in information science and technology defined as the number of distinct signals transmitted per second.	baud	Bd
C67567	UCUM Terminology	C68907	Biot	Abampere	Bi	A CGS unit of electric current equal to 10 ampere.	Biot	Bi
C67567	UCUM Terminology	C42562	Becquerel	Bq	Bq	A SI derived unit of activity of a radionuclide, equal to one nuclear disintegration or other nuclear transition from a particular energy state occurring in an amount of a radionuclide during one second-long time interval.	becquerel	Bq
C67567	UCUM Terminology	C48047	Byte		By	A sequence of 8 bits processed as a single unit of information.	byte	By
C67567	UCUM Terminology	C67194	Calorie	Dietician's Calorie || Kilocalorie || Kilogram Calorie || Large Calorie || Nutritionist's Calorie || kcal	C || Cal || kcal	A non-SI unit of energy defined as the amount of heat required to raise the temperature of one kilogram of pure water by one degree Centigrade under standard conditions (the specific heat of the water at 15 degrees Celsius and the constant pressure of 101.325 kPa or one atm being defined as unity), equal to approximately 4.1855 kJ. It is also is used by nutritionists in measuring the energy-producing potential of food as a unit of potential energy contained by a substance, which can be liberated when the material is oxidized, usually by combustion in the presence of oxygen. According to the current national standard in the United States (IEEE/ASTM SI 10 TM-2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	nutrition label Calories	[Cal]
C67567	UCUM Terminology	C42559	Degree Celsius	Cel || Celsius || Celsius Degree || Degree Centigrade	C || Cel	A unit of temperature of the temperature scale designed so that the freezing point of water is 0 degrees and the boiling point is 100 degrees at standard atmospheric pressure. The current official definition of the Celsius sets 0.01 C to be at the triple point of water and a degree to be 1/273.16 of the difference in temperature between the triple point of water and absolute zero. One degree Celsius represents the same temperature difference as one Kelvin.	degree Celsius	Cel
C67567	UCUM Terminology	C70534	50 Percent Cell Culture Infective Dose	[CCID_50] || {CCID_50}	CCID50 || CCID_50	A potency unit defined as a minimal dose of infectious material at which preparation causes cytopathic effects (changes in the morphology and metabolism of cell culture cells, indicating cell death, due to suspected infection) in the 50% of the cell culture-containing vessels inoculated with that dilution of infectious material.	50% cell culture infectious dose	[CCID_50]
C67567	UCUM Terminology	C68742	Colony Forming Unit	[CFU]	CFU	The minimum number of separable cells which is able to produce a detectable colony of progeny. Examples of CFU usage include, but are not limited to, the measurement of the number of viable bacteria present in the environment, and the ability of stem cells to produce cells of single or multiple lineages.	colony forming units	[CFU]
C67567	UCUM Terminology	C101680	French Catheter Gauge	Catheter Gauge || Fr || French || French Catheter Scale || French Gauge || French Scale	Ch	The gauge of a catheter with a circumference of approximately 1 millimeter such that it is by convention, exactly one third of a millimeter.	Charrière	[Ch]
C67567	UCUM Terminology	C48466	Curie	Ci	Ci	A unit of radioactivity in the CGS system, defined as 3.7 E10 atomic disintegrations or other nuclear transformations per second. One curie is equal to 37 gigabecquerels.	Curie	Ci
C67567	UCUM Terminology	C42570	Cubic Meter	Kiloliter || m3	Cub. m || kL || m3 || st	A SI unit of volume or capacity equal to the volume of a cube with edges one meter in length. It is equal to 1,000 liters; 1,000 cubic decimeters; 10(e+6) cubic centimeters; 25.3 cubic feet; 6.29 barrels.	stere	st
C67567	UCUM Terminology	C41127	Unified Atomic Mass Unit	1.6605402 x 10-24 g || Atomic Mass Unit || Dalton || u	D || Da || amu || u || u'amu	The non-SI unit of mass in terms of which the masses of individual atoms and molecules are expressed. Unified atomic mass unit is defined as one twelfth of the mass of an unbound atom of the carbon-12 nuclide, the predominant isotope of carbon, at rest and in its ground state. It is equal to 1.6606x10(E-27) kg (approximately).	unified atomic mass unit	u
C67567	UCUM Terminology	C70501	D Antigen Unit	[D'ag'U]	D'ag'U || DAgU	A unit of potency of poliovirus vaccine used for poliomyelitis prevention. The unit is poliovirus type-specific.	D-antigen unit	[D'ag'U]
C67567	UCUM Terminology	C68667	Degree Unit of Plane Angle	Angular Degree || Degree || deg	Deg || deg	A unit of plane angle measurement equal to the length of the arc cut out by the angle, divided by the circumference of the circle, and multiplied by 360. The symbol for degrees is a small superscript circle. One radian is about 57 degrees and one degree is pi/180 radians.	degree	deg
C67567	UCUM Terminology	C70532	50 Percent Embryo Infective Dose	50% Embryo Infective Dose	EID50	Amount of infectious agent or biological product that causes infection in the 50% of embryos such as chicken embryos used in the product potency assay or pathogen activity assay.	50% embryo infectious dose	[EID_50]
C67567	UCUM Terminology	C68875	Enzyme-Linked Immunosorbent Assay Unit	ELISA Unit || [ELU]	EL. U	A unit for measuring concentration or/and reactivity of a test substance (an antigen or antibody of interest) as defined in the literature reference standard for the particular quantitative enzyme-linked immunosorbent assay method. The enzyme-linked immunosorbent assay unit is used to express potency of immunologically active substances and products, e.g. vaccines.	ELISA unit	[ELU]
C67567	UCUM Terminology	C67273	Equivalent Weight	Equivalents || eq	Eq wt || eq	A unit of relative amount of a substance that combines with or displaces 8.0 grams of oxygen or 1.008 gram of hydrogen. The unit is usually expressed in grams and is equal to the amount of substance that gains or loses one mole of electrons in a redox reaction, or to the amount of substances that releases or accepts one mole of hydrogen ions in a neutralization reaction; or to the amount of electrolyte that carries one mole of positive or negative charge. This is a large unit and measurements are more often done in its derivatives, e.g. in milliequivalents.	equivalents	eq
C67567	UCUM Terminology	C42552	Farad	F	F	A SI unit of capacitance equal to the capacitance of a capacitor having an equal and opposite charge of one coulomb on each plate and a potential difference of one volt between the plates.	farad	F
C67567	UCUM Terminology	C44277	Degree Fahrenheit	[degF]	F || degF	A unit of temperature of the temperature scale designed so that the freezing point of water is 32 degrees and the boiling point is 212 degrees, placing the boiling and melting points of water 180 degrees apart. One degree Fahrenheit is 5/9ths of a kelvin (or of a degree Celsius), and minus 40 degrees Fahrenheit is equal to minus 40 degrees Celsius.	degree Fahrenheit	[degF]
C67567	UCUM Terminology	C48579	International Unit	International Unit of Biological Activity || International Units || Unit International || [IU] || [iU]	F2 || IU	The unitage assigned by the WHO to International Biological Standards - substances, classed as biological according to the criteria provided by WHO Expert Committee on Biological Standardization (e.g. hormones, enzymes, and vaccines), to enable the results of biological and immunological assay procedures to be expressed in the same way throughout the world. The definition of an international unit is generally arbitrary and technical, and has to be officially approved by the International Conference for Unification of Formulae.	international unit	[iU]
C67567	UCUM Terminology	C75303	Focus Forming Unit	[FFU]	FFU	A quantitative unit of measure of cell clusters of a specific interest.	focus forming units	[FFU]
C67567	UCUM Terminology	C207699	Formazin Nephelometric Unit	Formazin Nephelometric Unit	FNU	A unit of measure of turbidity in which the FNU is measured with an infrared light source in accordance with the ISO 7027 method.	Formazin Nephelometric Unit	[FNU]
C67567	UCUM Terminology	C48494	Fluid Ounce US	Fluid Ounce || [foz_us]	FO || fl oz || foz_us	A traditional unit of liquid volume equal in the US customary system to 1/16 pint, or 1.804687 cubic inches or 29.573531 milliliters.	fluid ounce	[foz_us]
C67567	UCUM Terminology	C68783	Gravitational Constant	Newton's Constant || Universal Gravitational Constant	G	A physical constant which appears in the mathematical formula of Newton's definition of gravitational universal force and in Einstein's theory of general relativity. The 2006 CODATA recommended value of the gravitational constant is approximately 6.67428xE10-11 m3/kg/s2.	Newtonian constant of gravitation	[G]
C67567	UCUM Terminology	C68915	Gauss	G	G || Gs	A CGS unit of magnetic flux density. A field of one gauss exerts a force on a conductor, placed in the field of 0.1 dyne per ampere of current per centimetre of conductor. One gauss represents a magnetic flux of one maxwell per square centimetre of cross-section perpendicular to the field. In SI units, one gauss equals 10-4 tesla.	Gauss	G
C67567	UCUM Terminology	C67347	IgG Phospholipid Unit	GPL Unit || GPL'U || [GPL'U]	GPL U || GPL'U || [GPL'U]	A unit for semiquantitative measurement of IgG autoantibodies to proteins associated with negatively charged phospholipids evaluated in ELISA serum anticardiolipin or anionic phospholipid assay against an established reference standard. One IgG phospholipid unit is equivalent to one mg/mL of an affinity-purified standard IgG sample obtained from specified individuals.	GPL unit	[GPL'U]
C67567	UCUM Terminology	C42565	Gal	Galileo	Gal	Gal is a non-SI, CGS system unit of gravitational acceleration equal to one centimeter per second per second, named after Galileo.	Gal	Gal
C67567	UCUM Terminology	C68918	Gilbert		Gb || Gi	A CGS unit of magnetomotive force equal to 0.7958 ampere-turns in the SI.	Gilbert	Gb
C67567	UCUM Terminology	C68571	Gibi		Gi	A prefix used in binary numeral system for denoting a quantity of two raised to the power of 30, which is equal to 1073741824.	gibi	Gi
C67567	UCUM Terminology	C18063	Gray	Gy	Gy	A SI derived unit of absorbed radiation dose. One gray is equal to an absorbed dose of one joule per kilogram of matter, or to 100 rads.	gray	Gy
C67567	UCUM Terminology	C42558	Henry	H	H	A SI derived unit of electric inductance. A coil with an inductance of one henry requires a flux of one weber for each ampere of induced current. If it is the current which changes, then the induced field will generate a potential difference within the coil: if the inductance is one henry a current change of one ampere per second generates a potential difference of one volt. The henry is a large unit; inductances in practical circuits are measured in millihenrys or microhenrys.	henry	H
C67567	UCUM Terminology	C217687	Horsepower		HP	A unit of power equivalent to 33,000 foot-pounds of work per minute.	horsepower	[HP]
C67567	UCUM Terminology	C67274	High Power Field	HPF || High Powered Field || [HPF]	HPF	The area visible under the maximum magnification power of the objective being used in microscopy.	high power field	[HPF]
C67567	UCUM Terminology	C94908	Hounsfield Unit	[hnsf'U]	HU || hnsf'U	Term given to the dimensions of the quantifier of x-ray attenuation, CT number.	Hounsfield unit	[hnsf'U]
C67567	UCUM Terminology	C42545	Hertz	Cycle per Second || Cycle/Second || Cycle/s || Herz || Hz || {cycle}/s	Hz	A SI derived unit of frequency; equal to one oscillation (one cycle) per second.	hertz	Hz
C67567	UCUM Terminology	C42548	Joule	J || Watt second	J	A unit of electrical, mechanical, and thermal energy (as well as work and quantity of heat) in the SI system, equal to the work done when the point of application of a force of one newton is displaced through a distance of one meter in the direction of the force or the work done when a current of one ampere passes through a resistance of one ohm for one second. Joule is equal to 0.23889 gram-calorie (mean).	joule	J
C67567	UCUM Terminology	C68569	Kibi		Ki	A prefix used in binary numeral system for denoting a quantity of two raised to the power of ten, which is equal to 1024.	kibi	Ki
C67567	UCUM Terminology	C217689	Kayser		Ky	An older unit for wave frequency, or the number of waves per unit of distance. It is equivalent to one reciprocal centimeter.	Kayser	Ky
C67567	UCUM Terminology	C48505	Liter	Cubic Decimeter || L || l	L || LT || dm3	The non-SI unit of volume accepted for use with the SI. One liter is equal to cubic decimeter, or one thousandth of cubic meter, or 1000 cubic centimeters, or approximately 61.023744 cubic inches.	liter	L || l
C67567	UCUM Terminology	C67307	Low Power Field	LPF || [LPF]	LPF	The area visible in one view field of the microscope under the low magnification of the objective being used in microscopy.	low power field	[LPF]
C67567	UCUM Terminology	C73566	Limit Flocculation Unit	[Lf]	Lf || LfU	A unit of measure equivalent to 1 unit of reference antitoxin (K 1/67, Statens Serum Institut), which is calibrated against an international reference toxoid.	Limit of flocculation	[Lf]
C67567	UCUM Terminology	C217691	Lambert		Lmb	A unit of luminous flux that is defined as the brightness of a surface that emits or reflects one lumen per square centimeter.	Lambert	Lmb
C67567	UCUM Terminology	C127805	Metabolic Equivalent of Task Unit	MET || [MET]	MET	A unit of energy expenditure equal to the ratio of the metabolic rate during physical activity in comparison to a reference metabolic rate.	metabolic equivalent	[MET]
C67567	UCUM Terminology	C67348	IgM Phospholipid Unit	MPL Unit || MPL'U || [MPL'U]	MPL U || MPL'U || [MPL'U]	A unit for semiquantitative measurement of IgM autoantibodies to proteins associated with negatively charged phospholipids evaluated in ELISA serum anticardiolipin or anionic phospholipid assay against an established reference standard. One IgM phospholipid unit is equivalent to one mg/mL of an affinity-purified standard IgM sample obtained from the specified individuals.	MPL unit	[MPL'U]
C67567	UCUM Terminology	C68570	Mebi		Mi	A prefix used in binary numeral system for denoting a quantity of two raised to the power of 20, which is equal to 1048576.	mebi	Mi
C67567	UCUM Terminology	C48514	Minim	[min_us]	Min || [min_us]	A traditional unit of volume used in pharmacies for small quantities of liquids. The US minim is equal to 0.003760 cubic inch or 61.610 microliters.	minim	[min_us]
C67567	UCUM Terminology	C68793	Maxwell		Mx	A CGS unit of magnetic flux equal to the flux perpendicularly intersecting an area of one square centimeter in a region where the magnetic intensity is one gauss and 10E-8 Weber in SI.	Maxwell	Mx
C67567	UCUM Terminology	C42546	Newton	N	N	A SI derived unit of force. The force which, when applied in a vacuum to a body having a mass of one kilogram, causes an acceleration of one meter per second squared. It is equal to 10E5 dynes.	newton	N
C67567	UCUM Terminology	C207698	Nephelometric Turbidity Unit	Nephelometric Turbidity Unit	NTU	The reference unit used to measure the turbidity of a fluid or the presence of suspended particles in water.	Nephelometric Turbidity Unit	[NTU]
C67567	UCUM Terminology	C217705	Neper		Np	A natural logarithmic unit for ratios of physical field and power quantities, which can be used to quantify the gain and loss of electronic signals.	neper	Np
C67567	UCUM Terminology	C48519	Ounce	Avoirdupois Ounce || International Ounce || [oz_av]	OZ || oz || oz avdp	The traditional unit of mass. The avoirdupois ounce is equal to 1/16 pound, or 28.3495 grams, or 0.911457 troy ounce.	ounce	[oz_av]
C67567	UCUM Terminology	C68917	Oersted		Oe	A CGS unit of magnetic field strength in a dielectric equal to Gauss multiplied by the number inverse to the magnetic permeability, or as the field strength in a vacuum at a distance one centimeter from a unit magnetic pole.	Oersted	Oe
C67567	UCUM Terminology	C67330	Osmole	osm	Osm || osm	A non-SI unit of osmotic pressure equal to that of an ideal solution of a nondissociating substance that has a concentration of one mole of solute per liter of solution.	osmole	osm
C67567	UCUM Terminology	C154857	Poise	P	P	A unit of dynamic viscosity equal to one pascal-second.	Poise	P
C67567	UCUM Terminology	C42547	Pascal	Pa	P || Pa	A SI derived unit of pressure equivalent to one newton per square meter or 10 bars or to 1.45x10E-4 pounds per square inch.	pascal	Pa
C67567	UCUM Terminology	C67264	Plaque Forming Unit	[PFU] || {PFU}	PFU	A measure of viable infectious entities (e.g. viral particles or group of particles) in the specimen or product defined as the smallest quantity that can produce a cytopathic effect in the host cell culture challenged with the defined inoculum, visible under the microscope and/or to the naked eye as a plaque. A number of plaque forming units (PFU) per unit volume is a conventional way to refer the titer of an infective entity in a specimen or preparation.	plaque forming units	[PFU]
C67567	UCUM Terminology	C48533	Protein Nitrogen Unit	[PNU]	PNU || [PNU]	An unit used to quantitate protein nitrogen in acid precipitate samples based on micro-Kjeldahl measurement. One protein nitrogen unit represents 0.01 microgram of total protein nitrogen in the extracted samples.	protein nitrogen unit	[PNU]
C67567	UCUM Terminology	C207904	Systemic Vascular Resistance Unit		PRU	A unit of measure used to quantify the relationship between systemic vascular resistance, blood flow, and blood pressure.	peripheral vascular resistance unit	[PRU]
C67567	UCUM Terminology	C48529	Pint	[pt_us]	PT || pt	A United States liquid unit equal to 16 fluid ounces; two pints equal one quart.	pint	[pt_us]
C67567	UCUM Terminology	C70575	Roentgen	R	R	A unit of exposure to ionizing radiation in CGS system. One roentgen is the amount of gamma or x-rays required to produce ions resulting in a charge of 2.58E-4 coulombs/kilogram of air under standard conditions.	Roentgen	R
C67567	UCUM Terminology	C18064	Rad	RAD || Radiation Absorbed Dose || rad	RAD	A unit of radiation absorbed dose equal to the amount of energy from any type of ionizing radiation (e.g., alpha, beta, gamma, neutrons, etc.) deposited in any medium (e.g., water, tissue, air). A dose of one rad means the absorption of 100 ergs per gram of absorbing tissue (100 rad = 1 gray). (The U.S. Nuclear Regulatory Commission, NRC).	radiation absorbed dose	RAD
C67567	UCUM Terminology	C70573	REM	Roentgen Equivalent Man	REM	A standard unit that measures the effects of ionizing radiation on humans. The dose equivalent in rems is equal to the absorbed dose in rads multiplied by the quality factor of the type of radiation.	radiation equivalent man	REM
C67567	UCUM Terminology	C217719	Svedberg Unit		S	A non-SI unit for the coefficient for the sedimentation rate of particles in solution or suspension when subjected to centrifugation.	Svedberg unit	[S]
C67567	UCUM Terminology	C42555	Siemens	Reciprocal ohm || S || mho	S || mho	A unit of electrical conductance, admittance, and susceptance. A conductor has a conductance of one siemens if an electrical potential difference of one volt produces a one ampere current in it. The conductance in siemens is the reciprocal of its resistance in ohms.	siemens	S || mho
C67567	UCUM Terminology	C204704	Square Centimeter per Second	cm2/s	St || cm2/s	A SI derived metric unit of kinematic viscosity expressed as centimeters squared per second.	Stokes	St
C67567	UCUM Terminology	C42553	Sievert	Sv	Sv	The international system (SI) unit for radiation dose equivalent equal to 1 Joule/kilogram. 1 sievert = 100 rem.	sievert	Sv
C67567	UCUM Terminology	C42557	Tesla	T	T	A SI unit of magnetic flux density equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.	tesla	T
C67567	UCUM Terminology	C48541	Tablespoon Dosing Unit	Tablespoon || Tablespoon Unit || Tablespoonful || [tbs_us]	T || Tblsp || Tbs || Tbsp || Y2	A unit of volume informally used in pharmacy. Under the metric system the tablespoon has been standardized at 15 milliliters in the US, Britain, Canada, and New Zealand, and at 20 milliliters in Australia and some European countries.	tablespoon	[tbs_us]
C67567	UCUM Terminology	C67450	Tissue Culture Infectious Dose 50%	50 Percent Tissue Culture Infective Dose || 50% Tissue Culture Infective Dose || {TCID50}	TCID50 || TCID_50	A potency unit defined as a minimal dose of infectious material at which preparation causes cytopathic effects (changes in the morphology and metabolism of tissue culture cells, indicating cell death, due to suspected infection) in the 50% of the tissue culture-containing flasks inoculated with that dilution of infectious material in the product potency assay or pathogen activity assay.	50% tissue culture infectious dose	[TCID_50]
C67567	UCUM Terminology	C68572	Tebi		Ti	A prefix used in binary numeral system for denoting a quantity of two raised to the power of 40, which is equal to 199511627776.	tebi	Ti
C67567	UCUM Terminology	C48469	United States Pharmacopeia Unit	[USP'U]	USP'U	An arbitrary unit for the measurement of the biologic activity of antibiotics, endocrine preparations, sera, toxins, vaccines, and related products established by the United States Pharmacopeia (USP), the official public standards-setting authority for all prescription and over-the-counter medicines, dietary supplements, and other healthcare products manufactured and sold in the US. For each substance to which this unit applies, USP determines a Reference Standard and a specified assay. If the standard is the same as the WHO-approved International Biological Reference Preparation, and the same assay procedure was used for the biological effect evaluation, the USP unit is considered equal to International Unit.	United States Pharmacopeia unit	[USP'U]
C67567	UCUM Terminology	C42551	Volt	V	V	A SI derived unit of electric potential and electromotive force, equal to the difference of electric potential between two points on a conducting wire carrying a constant current of one ampere when the power dissipated between the points is one watt, equivalent to the potential difference across a resistance of one ohm when one ampere of current flows through it.	volt	V
C67567	UCUM Terminology	C42549	Watt	W	W	A SI unit of power equal to the power which in one second produces or transfers the energy of one joule. The unit is used in measurements of power emitted, transferred or received as radiation, sound waves, heat flow rate, and rate of energy transfer.	watt	W
C67567	UCUM Terminology	C42556	Weber	V.s || Wb	Wb	A SI derived unit of magnetic flux, equal to the flux that produces in a circuit of one turn an electromotive force of one volt, when the flux is uniformly reduced to zero within one second.	weber	Wb
C67567	UCUM Terminology	C48491	Metric Drop	Drop || Drop Dosing Unit || Drop Unit || Pharmacist's Drop	X4 || drp || gtt	A unit of volume used in pharmacy and equal to 0.05 milliliter (20 drops/ml).	drop	[drp]
C67567	UCUM Terminology	C48544	Teaspoon Dosing Unit	Teaspoon || Teaspoon Unit || Teaspoonful || [tsp_us]	Y3 || t || tsp	A unit of volume used in pharmacy and equal to 5 milliliters.	teaspoon	[tsp_us]
C67567	UCUM Terminology	C67893	Exa	exa-	[E]	A prefix indicating a quantity of one quintillion, 10E18.	exa	E
C67567	UCUM Terminology	C67896	Giga	giga-	[G]	A prefix indicating a quantity of one billion, 10E9.	giga	G
C67567	UCUM Terminology	C54653	Mega	Mega- || mega-	[M]	A prefix indicating a quantity of one million, 10E6.	mega	M
C67567	UCUM Terminology	C67894	Peta	peta-	[P]	A prefix indicating a quantity of one quadrillion, 10E15.	peta	P
C67567	UCUM Terminology	C67895	Tera	tera-	[T]	A prefix indicating a quantity of one trillion, 10E12.	tera	T
C67567	UCUM Terminology	C67891	Yotta	yotta-	[Y]	A prefix indicating a quantity of one septillion, 10E24.	yotta	Y
C67567	UCUM Terminology	C67892	Zetta	zetta-	[Z]	A prefix indicating a quantity of one sextillion, 10E21.	zetta	Z
C67567	UCUM Terminology	C67903	Atto	atto-	[a]	A prefix indicating a quantity of a quintillionth, 10E-18.	atto	a
C67567	UCUM Terminology	C75765	Arbitrary Unit	[arb'U] || unit, arbitary	[arb'U] || arb'U	A single undivided thing (unit) based on or subject to individual judgment or preference, and not by necessity, reason, or principle.	arbitrary unit	[arb'U]
C67567	UCUM Terminology	C67900	Centi	centi-	[c]	A prefix indicating a quantity of a hundredth, 10E-2.	centi	c
C67567	UCUM Terminology	C67899	Deci	deci-	[d]	A prefix indicating a quantity of a tenth, 10E-1.	deci	d
C67567	UCUM Terminology	C67898	Deca	deca-	[da]	A prefix indicating a quantity of one hundred, 10E2.	deca	da
C67567	UCUM Terminology	C67902	Femto	femto-	[f]	A prefix indicating a quantity of a quadrillionth, 10E-15.	femto	f
C67567	UCUM Terminology	C48580	Gallon US	Gallon || Liquid Gallon US || Queen Annes Wine Gallon || [gal_us]	[gal_us] || gal || gal_us	The US unit of liquid volume legally defined as 3785.411784 milliliters (3.785411784 liters), or 231 cubic inches. The US gallon holds 4 liquid quarts; the gallon of water gallon weighs approximately 8.33 pounds.	Queen Anne's wine gallon	[gal_us]
C67567	UCUM Terminology	C67897	Hecto	hecto-	[h]	A prefix indicating a quantity of one hundred, 10E2.	hecto	h
C67567	UCUM Terminology	C48436	Kilo	kilo-	[k]	A prefix indicating a quantity of one thousand, 10E3.	kilo	k
C67567	UCUM Terminology	C48437	Milli	milli-	[m]	A prefix indicating a quantity of one one-thousandth, 10E-3.	milli	m
C67567	UCUM Terminology	C69098	Minim British	Imperial Minim	[min_br]	A unit of volume in British Imperial system equal to 1/60 fluid dram, 1/20 of a scruple or 0.059194 milliliter.	minim	[min_br]
C67567	UCUM Terminology	C54713	Nano	nano-	[n]	A unit prefix indicating a quantity of 10E-9 or one one-billionth.	nano	n
C67567	UCUM Terminology	C67901	Pico	pico-	[p]	A prefix indicating a quantity of a trillionth, 10E-12.	pico	p
C67567	UCUM Terminology	C217723	The Number Pi	Pi	[pi]	A fundamental constant that represents the ratio of the circumference of a circle to its diameter and is approximately 3.14.	the number pi	[pi]
C67567	UCUM Terminology	C67334	Pound per Square Inch	Pounds per Square Inch || [psi]	[psi] || psi	A traditional unit of pressure equivalent to 6.894757 kilopascals, or 703.0696 kilograms per square meter, or 51.71507 millimeters of mercury.	pound per square inch	[psi]
C67567	UCUM Terminology	C64563	Apothecaries Scruple	20 [gr] || Scruple	[sc_ap] || sc_ap	The non-SI unit of mass equal to 20 grains or 1.2959782 grams.	scruple	[sc_ap]
C67567	UCUM Terminology	C65132	Tuberculin Unit	Tuberculin || [tb'U]	[tb'U]	An arbitrary unit of tuberculin dosage defined by comparison of clinical response to a preparation of the purified protein derivative standardized for use in humans for tuberculin skin test reaction.	tuberculin unit	[tb'U]
C67567	UCUM Terminology	C48438	Micro	micro-	[u]	A prefix indicating a quantity of one one-millionth, 10E-6.	micro	u
C67567	UCUM Terminology	C67905	Yocto	yocto-	[y]	A prefix indicating a quantity of a septillionth, 10E-24.	yocto	y
C67567	UCUM Terminology	C67904	Zepto	zepto-	[z]	A prefix indicating a quantity of a sextillionth, 10E-21.	zepto	z
C67567	UCUM Terminology	C29848	Year	Annum || a || year	a	A period of time that it takes for Earth to make a complete revolution around the sun, approximately 365 days; a specific one year period.	year	a
C67567	UCUM Terminology	C217694	Mean Gregorian Year		a_g	A time period defined as 365.2425 days long, which factors in the leap years every four years.	mean Gregorian year	a_g
C67567	UCUM Terminology	C217696	Mean Julian Year		a_j	A time period defined as exactly 364.25 days. This is used in astronomical calculations.	mean Julian year	a_j
C67567	UCUM Terminology	C217725	Tropical Year		a_t	The time it takes the sun to pass from vernal equinox to vernal equinox; which is approximately 365 days, 5 hours, 48 minutes and 46 seconds.	tropical year	a_t
C67567	UCUM Terminology	C68868	Acre USA Survey	Acre USA || Survey Acre	acr_us	A unit of area equal to 4046.87261 square meters. The unit is based on the USA survey foot of 1200/3937 meters.	acre	[acr_us]
C67567	UCUM Terminology	C68869	Are		ar	A unit of area equal to 100 square meters. Are is a non-SI unit accepted for use with SI.	are	ar
C67567	UCUM Terminology	C54711	Atmosphere	Standard Atmosphere || atm	atm || atmos	Non-SI unit of pressure equal to 101 325 Pa.	standard atmosphere	atm
C67567	UCUM Terminology	C217721	Technical Atmosphere		att	A non-SI unit of pressure equal to 1 kilogram of force per square centimeter.	technical atmosphere	att
C67567	UCUM Terminology	C68866	Barn		b	A non-SI unit of area used predominantly in nuclear physics, equal to 10E-28 square meter, or 100 square femtometers. One barn is approximately equal to the area of a uranium nucleus.	barn	b
C67567	UCUM Terminology	C48475	Bar Dosing Unit	Bar || {BAR} || {Bar}	bar	A dosing unit equal to the amount of active ingredient(s) contained in a bar.	bar	bar
C67567	UCUM Terminology	C149350	Barrel Dosing Unit		bbl_us	A unit of presentation used to represent the quantity of product that is found in a single barrel container.	barrel	[bbl_us]
C67567	UCUM Terminology	C208417	Bodansky Unit	Bodansky || [bdsk'U]	bdsk'U	A measure of alkaline phosphatase concentration in blood. It is defined as the quantity of alkaline phosphatase that releases 1 mg of phosphate ion during the first hour of incubation with a buffered substrate containing sodium beta-glycerophosphate.	Bodansky unit	[bdsk'U]
C67567	UCUM Terminology	C117966	Bethesda Unit	BU || [beth'U]	beth'U	A unit of measurement for blood coagulation inhibitor activity, expressed in the amount of an inhibitor neutralizing 50% of a coagulant during the incubation period per unit of volume equal to one milliliter.	Bethesda unit	[beth'U]
C67567	UCUM Terminology	C217675	Board Foot		bf_i	A unit of measurement for lumber equal to the volume of a board that is one foot long, one foot wide and 1 inch thick. The volume is equivalent to 2.3597370216 liters.	board foot	[bf_i]
C67567	UCUM Terminology	C63625	Bit		bit	A binary digit, the smallest unit of storage.	bit	bit
C67567	UCUM Terminology	C217674	Bit_S	Bit	bit_s	A unit of measure used in information science and technology defined as the logarithmus dualis or binary logarithm of the number of distinct signals.	bit	bit_s
C67567	UCUM Terminology	C217726	US Bushel	Winchester Bushel	bu	A unit of measure commonly used for agricultural products. The US bushel is used exclusively for dry volumes and is defined as 4 pecks or 32 dry quarts.	bushel	[bu_us]
C67567	UCUM Terminology	C217677	British Bushel		bu_br	A unit of measure commonly used for agricultural products. The British bushel considers both liquid and dry volumes and is defined as 8 imperial gallons or 2,219.36 cubic inches.	bushel	[bu_br]
C67567	UCUM Terminology	C217728	Velocity of Light	Speed of Light	c	A fundamental constant that represents the velocity that light travels in a vacuum, which is exactly 299,792,458 meters per second (approximately 186,000 miles per second).	velocity of light	[c]
C67567	UCUM Terminology	C67193	calorie	Gram Calorie || Small Calorie || cal	cal	A non-SI unit of energy defined as the amount of heat required to raise the temperature of one gram of pure water by one degree Centigrade under standard conditions (the specific heat of the water at 3.98, 14.5, or 19.5 degrees Celcius and the constant pressure of 101.325 kPa or one atm being defined as unity), equal to approximately 4.184 J. According to the current national standard in the United States (IEEE/ASTM SI 10 TM-2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	calorie	cal
C67567	UCUM Terminology	C68853	International Steam Table Calorie	International Table Calorie || calorie IT	cal IT || cal_IT	A non-SI unit of energy defined by the Fifth International Conference on the Properties of Steam, London, 1956, as 1/860 x international watt hour or joule, or to 4.1868 joules exactly. According to the current national standard in the United States (IEEE/ASTM SI 10TM 2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	international table calorie	cal_IT
C67567	UCUM Terminology	C68843	Calorie 15 Degrees Celsius	Calorie 15 C || Calorie at 15 Degrees Celsius	cal_15	A non-SI unit of energy defined as the amount of heat required to raise the temperature of one gram of pure water by one degree (from 14.5 to 15.5 C or from 287.65 to 288.65 K) under standard conditions with the specific heat of the water at 15 degrees Celsius and the constant pressure of 101.325 kPa or one atm being defined as unity. A value recorded by ISO for the calorie at 15 degrees Celsius is 4.1855 J. According to the current national standard in the United States (IEEE/ASTM SI 10TM 2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	calorie at 15 Degrees C	cal_[15]
C67567	UCUM Terminology	C68848	Calorie 20 Degrees Celsius	Calorie 20 C || Calorie at 20 Degrees Celsius	cal_20	A non-SI unit of energy defined as the amount of heat required to raise the temperature of one gram of pure water by one degree (from 19.5 to 20.5 C or from 292.65 to 293.65 K) under standard conditions with the specific heat of the water at 20 degrees Celsius and the constant pressure of 101.325 kPa or one atm being defined as unity. A value defined for the calorie at 20 degrees Celsius is 4.1819 J. According to the current national standard in the United States (IEEE/ASTM SI 10TM 2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	calorie at 20 Degrees C	cal_[20]
C67567	UCUM Terminology	C68849	Mean Calorie		cal_m	A non-SI unit of energy defined as one hundredth of the quantity of heat required to raise the temperature of one gram of pure water by one hundred degrees (from 0 to 100 C or from 273.15 to 373.15 K) at the constant pressure of 101.325 kPa or one atm. A value defined for the mean calorie is 4.1897 J. According to the current national standard in the United States (IEEE/ASTM SI 10TM 2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	mean calorie	cal_m
C67567	UCUM Terminology	C68852	Thermochemical Calorie		cal_th	A non-SI unit of energy equal to 4.184 joules exactly. According to the current national standard in the United States (IEEE/ASTM SI 10TM 2002. American National Standard for Use of the International System of Units (SI): The Modern Metric System, New York: IEEE, 2002) the calorie in any form is not to be used. Joules should be used instead.	thermochemical calorie	cal_th
C67567	UCUM Terminology	C69173	Carat of Gold Alloy	Carat || Karat	car_Au	A unit of measurement for the proportion of gold in an alloy, defining the purity of gold. Pure gold is 24 carat, whilst 18 carat gold comprises 18/24 gold and 6/24 alloy.	carat of gold alloys	[car_Au]
C67567	UCUM Terminology	C217698	Metric Carat		car_m	A unit of mass used to measure the weight of precious gems. One metric carat is equal to 0.2 grams.	metric carat	[car_m]
C67567	UCUM Terminology	C48487	Cubic Foot	[cft_i] || [ft_i]3	cft_i || cu. ft. || ft3	A traditional unit of volume equal to 1728 cubic inches, or 1/27 cubic yard, or 0.02831685 cubic meter (28.31685 liters). The cubic foot holds about 7.4805 US gallons.	cubic foot	[cft_i]
C67567	UCUM Terminology	C71230	Gunter's Chain British	Gunters Chain British || Surveyor's Chain British	ch_br	A device introduced in 1620 to measure length. It is a series of links and brass rings or tags, which in total are equivalent to 66 British feet.	Gunter's chain	[ch_br]
C67567	UCUM Terminology	C71231	Gunter's Chain USA	Gunters Chain USA || Surveyor's Chain USA	ch_us	A traditional unit of length equal to 1/80 mile, 22 yards, 66 feet or 20.1168 meters.	Gunter's chain	[ch_us]
C67567	UCUM Terminology	C71232	Cicero	Didots Pica	cicero	A unit of length used in typography that is equal to 0.178 inch or 6 Didot point,.	cicero	[cicero]
C67567	UCUM Terminology	C48488	Cubic Inch	[cin_i] || [in_i]3	cin_i || cu. in. || in3	A traditional unit of volume equal to 16.3871 cubic centimeters, or 0.5541 US fluid ounce.	cubic inch	[cin_i]
C67567	UCUM Terminology	C68862	Circle Unit of Plane Angle	Circle	circ	A traditional unit of plane angle measurement equal to two pi radians or 360 degrees.	circle	circ
C67567	UCUM Terminology	C68870	Circular Mil		cml || cml_i	A unit of cross-sectional measurement of a round area equal to the area of a circle with a diameter of one mil, approximately 0.785398 square mils, or 506.707 square micrometers.	circular mil	[cml_i]
C67567	UCUM Terminology	C217680	Cord	[cr_i]	cr_i || crd_us	A unit of dry volume used to measure firewood and pulpwood that is equivalent to 128 cubic feet, which is the volume for a solid that is 4 feet wide, 4 feet high and 8 feet long.	cord	[crd_us]
C67567	UCUM Terminology	C54703	Cup Dosing Unit	Cup || {CUP} || {cup}	cup_us	A dosing unit equal to the amount of active ingredient(s) contained in a cup.	cup	[cup_us]
C67567	UCUM Terminology	C217681	Cubic Yard		cyd_i	A unit of volume equivalent to that of a solid that is 3 feet wide by 3 feet high by 3 feet long.	cubic yard	[cyd_i]
C67567	UCUM Terminology	C71233	Didot	Didots Point	didot	A system of typesetter's length created by a French publisher and is defined as 1/6 of the French ligne (line).	didot	[didot]
C67567	UCUM Terminology	C69116	Dry Pint US	Dry Pint	dpt_us	A traditional (non-SI) unit of volume equal to 1/8 dry US gallon, or approximately 0.550611 liter.	dry pint	[dpt_us]
C67567	UCUM Terminology	C69118	Quart Dry US		dqt_us	A unit of volume in US customary measure system for dry volumes equal to 67.201 cubic inches, or approximately 1.101221 liters.	dry quart	[dqt_us]
C67567	UCUM Terminology	C64565	Apothecaries Dram Mass Unit	3 [sc_ap] || Apothecaries Dram || Dram || [dr_ap] || dram (drachm)	dr ap || dr_ap	The non-SI unit of mass equal to 60 grains, 3 scruples, 1/8 troy ounce, or approximately 3.8879 grams.	dram	[dr_ap]
C67567	UCUM Terminology	C64564	Dram Mass Unit	1 [oz_av]/16 || Avoirdupois Dram || Dram || [dr_av] || [fdr_us]	dr_av	The non-SI unit of mass equal to 1/16 Avoirdupois ounce or 1/256 Avoirdupois pound. One dram equals approximately 1.7718451953125 grams.	dram	[dr_av]
C67567	UCUM Terminology	C64562	Pennyweight		dwt || pwt || pwt_tr	The non-SI unit of mass equal to 24 grains, 1/20 Troy ounce or approximately 1.5552 gram.	pennyweight	[pwt_tr]
C67567	UCUM Terminology	C217684	Dye Unit		dye'U	A unit for reporting the enzymatic activity of amylase that is measured using a dye-labeled cross-linked starch as a substrate.	Dye unit	[dye'U]
C67567	UCUM Terminology	C70470	Dyne	dyn	dyn	A unit of force in the CGS system defined as the force that accelerates a mass of one gram at the rate of one centimeter per second squared. One dyne is equal to 10E-5 newton and 2.248E-6 pound of force.	dyne	dyn
C67567	UCUM Terminology	C68800	Elementary Charge		e	A fundamental physical constant equal to the scalar value of positive electric charge carried by a single proton or equivalently, the negative charge carried by a single electron. It is used as a unit of electric charge in the system of atomic units. Elementary charge has a value of 1.602 176 487x10E-19 C in the SI system.	elementary charge	[e]
C67567	UCUM Terminology	C67278	Electronvolt	Electron Volt	eV	A unit of energy defined as the kinetic energy acquired by an electron in passing through a potential difference of one volt in a vacuum. Its value is experimentally determined as 1,602 177 x 10E-19 joule (approximately). The unit is accepted for use with SI units.	electronvolt	eV
C67567	UCUM Terminology	C68789	Electric Permittivity of Vacuum	Electric Constant || Permittivity of Free Space	eps_0	A constant of proportionality that exists between electric displacement and electric field intensity in a vacuum. This constant is equal to approximately 8.854187817x10E-12 farad per meter (F/m).	permittivity of vacuum	[eps_0]
C67567	UCUM Terminology	C70435	Erg		erg	A unit of energy in the CGS system. One erg is the work done or energy expended by a force of one dyne acting through a distance of one centimeter. One erg equals to 10E-7 joule.	erg	erg
C67567	UCUM Terminology	C79610	Fluid Dram British	fl dr British	fdr_br	A volume equal to 1/8 Brisith fluid ounce, 0.216734 cubic inches or 3.551633 milliliters.	fluid dram	[fdr_br]
C67567	UCUM Terminology	C48493	Fluid Dram US	Fluid Dram || [fdr_us]	fdr_us || fl dr	A unit of volume equal to 1/8 fluid ounce, 0.225586 cubic inch or 3.696691 milliliters.	fluid dram	[fdr_us]
C67567	UCUM Terminology	C48577	Fluid Ounce British	Imperial Fluid Ounce || [foz_br]	foz_br	A traditional unit of liquid volume equal in the British Imperial system to 1/20 pint, or 1.733871 cubic inches or 28.413063 milliliters.	fluid ounce	[foz_br]
C67567	UCUM Terminology	C71253	International Foot	US Foot || [ft_i]	ft || ft_i	A traditional unit of length defined by the U.S. National Bureau of Standards as 30.48 centimeters. It is equal to 0.3048 meter, 12 inches, or to approximately 0.999998 survey foot.	foot	[ft_i]
C67567	UCUM Terminology	C48461	Square Foot	[ft_i]2	ft2 || sft_i || sq. ft.	A traditional unit of area equal to 144 square inches, 929.0304 square centimeters, or 9.290304E-2 square meters.	square foot	[sft_i]
C67567	UCUM Terminology	C71180	Foot British	British Foot || British Imperial Foot	ft_br	A traditional unit of length equal to 30.479976 centimeters, used before 1959 when the unified international definitions for units of British Imperial system were established.	foot	[ft_br]
C67567	UCUM Terminology	C71179	Survey Foot	US Survey Foot	ft_us	A unit of length defined by the U.S. Metric Act of 1866 as 1200/3937 meter, or approximately 30.48006096 centimeters. This unit is used for geodetic purposes by the United States Public Land Survey System.	foot	[ft_us]
C67567	UCUM Terminology	C71247	Fathom British		fth_br	A unit of length equivalent to 6 feet and based on the British foot which is 12 inches and each inch is 2.539998 centimeters.	fathom	[fth_br]
C67567	UCUM Terminology	C217686	Fathom		fth_i	A unit of length, typically used to report the depth of water, which is equal to 6 feet.	fathom	[fth_i]
C67567	UCUM Terminology	C71248	Fathom US	Fathom USA	fth_us	A unit of length equivalent to 6 feet and based on the US foot which is 0.3048 meters.	fathom	[fth_us]
C67567	UCUM Terminology	C71249	Furlong		fur_us	A unit of length equivalent to 660 feet. This unit is used almost exclusively in horse racing.	furlong	[fur_us]
C67567	UCUM Terminology	C48162	G Force		g	Inertial force produced by accelerations or gravity, expressed in gravitational units; one G is equal to the pull of gravity at the earth's surface at sea level and 45 degrees North latitude (32.1725 ft/sec2; 980.621 cm/sec2).	standard acceleration of free fall	[g]
C67567	UCUM Terminology	C64783	Gram per Deciliter	Gram Percent || Gram-Percent || Gram/Deciliter || g/dL || g/dl	g% || g/dL	A unit of mass concentration defined as the concentration of one gram of a substance per unit volume of the mixture equal to one deciliter (100 milliliters). The concept also refers to the metric unit of mass density (volumic mass) defined as the density of substance which mass equal to one gram occupies the volume one deciliter.	gram percent	g%
C67567	UCUM Terminology	C48582	Gallon British	Imperial Gallon	gal || gal_br	A traditional unit of volume designed to contain 10 pounds of distilled water under precisely defined conditions and equal to 4.546091 liters, 277.4194 cubic inches, or 1.20095 US liquid gallons, or 1.03206 US dry gallons.	gallon	[gal_br]
C67567	UCUM Terminology	C48583	Gallon Historical	Corn Gallon British || Dry Gallon US || Grain Gallon British || Winchester Corn Gallon	gal_wi	A historical British unit of dry volume equal to 4 dry quarts, or 1/8 of a US bushel (Winchester bushel), or 268.8025 cubic inches, or 4404.88377086 milliliters.	historical winchester gallon	[gal_wi]
C67567	UCUM Terminology	C70472	Gram-Force		gf	A deprecated unit of force defined as a force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one gram. One gram-force is equal to 9.80665E-3 newtons.	gram-force	gf
C67567	UCUM Terminology	C217727	US Gill		gil	A unit of measurement for volume that is defined as one quarter of a US pint, or 4 ounces.	gill	[gil_us]
C67567	UCUM Terminology	C217678	British Gill		gil_br	A unit of measurement for volume that is defined as one quarter of a British pint, or 5 ounces.	gill	[gil_br]
C67567	UCUM Terminology	C68863	Gon		gon	A unit of plane angle measurement equal to 1/400 circle, 0.01 right angle, 0.9 degree, or 0,01570796 rad. The unit is used predominantly in German, Swedish, and other languages in which the word grad means degree.	gon	gon
C67567	UCUM Terminology	C48497	Grain	[gr]	gr	The traditional unit of mass derived from the weight of a grain and equal to one seven-thousandth of a pound, or 1/480 troy ounce, or 64.79891 milligrams. The original English grain unit based on the mass of a ripe grain barleycorn was larger the corresponding grain units of France and other European nations which were based on the weight of the smaller wheat grain.	grain	[gr]
C67567	UCUM Terminology	C217710	Planck Constant		h	A fundamental physical constant in quantum mechanics such that the energy of a photon is equal to its frequency multiplied by the Planck constant (h), and the wavelength of a matter wave equals h divided by the associated particle momentum. This constant is expressed in SI units and h equals 6.62607015 x 10^-34 joules per Hertz.	Planck constant	[h]
C67567	UCUM Terminology	C25529	Hour	h	h || hr	A unit measure of time equal to 3,600 seconds or 60 minutes. It is approximately 1/24 of a median day.	hour	h
C67567	UCUM Terminology	C71216	Hand Unit of Length	{HAND UNIT} || {Hand Unit}	hd_i	A traditional unit of length equal to 4 inches or 10.16 centimeters.	hand	[hd_i]
C67567	UCUM Terminology	C88109	Centesimal Hahnemannian Series of Attenuation	[hp_C]	hp_C	Preparation of a homeopathic substance with a ratio of one part original material to 100 parts of carrier or solvent using the Hahnemannian method. This preparation method uses multiple vials for the dilution process.	homeopathic potency of centesimal hahnemannian series	[HP_C] || [hp_C]
C67567	UCUM Terminology	C88110	Millesimal Hahnemannian Series of Attenuation	[hp_M]	hp_M	Preparation of a homeopathic substance with a ratio of one part original material to 1,000 parts of carrier or solvent using the Hahnemannian method. This preparation method uses multiple vials for the dilution process.	homeopathic potency of millesimal hahnemannian series	[HP_M] || [hp_M]
C67567	UCUM Terminology	C88108	Quintamillesimal Hahnemannian Series of Attenuation	Fifty Millesimal Scale of Attenuation || [hp_Q]	hp_Q	Preparation of a homeopathic substance with a ratio of one part original material to 50,000 parts of carrier or solvent using the Hahnemannian method. This preparation method uses multiple vials for the dilution process.	homeopathic potency of quintamillesimal hahnemannian series	[HP_Q] || [hp_Q]
C67567	UCUM Terminology	C88111	Decimal Hahnemannian Series of Attenuation	[hp_X]	hp_X	Preparation of a homeopathic substance with a ratio of one part original material to 10 parts of carrier or solvent using the Hahnemannian method. This preparation method uses multiple vials for the dilution process.	homeopathic potency of decimal hahnemannian series	[HP_X] || [hp_X]
C67567	UCUM Terminology	C48500	Inch	Inch International || [in_i]	in || in_i	A traditional unit of length equal to 1/12 of a foot or 2.54 centimeters.	inch	[in_i]
C67567	UCUM Terminology	C68871	Square Inch	[in_i]2	in2 || sin_i || sq. in || sq. inch	A traditional unit of area equal to the area of a square with sides of one inch. It is equal to 6.4516 square centimeters.	square inch	[sin_i]
C67567	UCUM Terminology	C69446	Inch British		in_br	A traditional unit of length equal to 2.539998 centimeters, used before 1959 when the unified international definitions for units of British Imperial system were established and inch was defined as 2.54 centimeters.	inch	[in_br]
C67567	UCUM Terminology	C207880	International Inch of Water		in_i'H2O	The measurement of the static pressure of a column of water under defined conditions, expressed in international inches.	inch of water column	[in_i'H2O]
C67567	UCUM Terminology	C128461	Inch of Mercury		in_i'h/i'Hg]	A measurement of the pressure exerted by a column of mercury of 1 inch in height at the standard acceleration of gravity. This measurement is used for barometric pressure in aviation, refrigeration, and weather reports. The conversion to metric units is dependent upon the temperature of the mercury.	inch of mercury column	[in_i'Hg]
C67567	UCUM Terminology	C67566	Survey Inch	US Survey Inch || [in_us]	in_us	A unit of length equal to international inch/0.999998 or approximately to 2.54000508001016002032004 centimeters.	inch	[in_us]
C67567	UCUM Terminology	C217676	Boltzmann Constant		k	A thermodynamic rate constant expressed as 1.380349 x 10^-23 joules per kelvin. The Boltzmann constant describes the average kinetic energy of gas particles and the temperature of the gas. It is used to express the equipartition of the energy of an atom, compute the statistical definition of entropy and express thermal voltage.	Boltzmann constant	[k]
C67567	UCUM Terminology	C208418	King-Armstrong Unit	[ka'U]	ka'U	A measure of alkaline phosphatase concentration in blood, defined as amount of phosphatase that releases 1 mg phenol from disodium phenylphosphate at pH 10 and 37 degrees Celsius in 15 minutes.	King-Armstrong unit	[ka'U]
C67567	UCUM Terminology	C42566	Katal	kat	kat	A unit for measuring catalytic (e.g. enzymatic) activity, the ability of the compound to accelerate the chemical reaction by providing a lower energy pathway between the reactants and the products. One katal is that catalytic activity which will raise the rate of reaction by one mole per second in a specified assay system. When the katal is used, the measurand should be specified by reference to the measurement procedure; the measurement procedure must identify the indicator reaction. The katal is not used to express a rate of reaction itself, which should be expressed in moles per second. Katal is coherent with the SI.	katal	kat
C67567	UCUM Terminology	C217679	British Knot		kn_br	A derived unit of speed from the historical British Imperial system defined as the derived speed to travel one British nautical mile (6,080 feet or approximately 1.853 kilometers) per hour.	knot	[kn_br]
C67567	UCUM Terminology	C217690	Knot		kn_i	A derived unit of speed equal to one nautical mile (exactly 1.852 kilometers or approximately 6076 feet) per hour .	knot	[kn_i]
C67567	UCUM Terminology	C208426	Kunkel Unit	Kunkel || [knk'U]	knk'U	A unit of arbitrary biologic activity.	Kunkel unit	[knk'U]
C67567	UCUM Terminology	C92952	Centesimal Korsakovian Series of Attenuation	[kp_C]	kp_C	Preparation of a homeopathic substance with a ratio of one part original material to 100 parts of carrier or solvent; a faster and cost-effective dilution method developed by Semyon Korsakov. This preparation method uses a single vial for the dilution process.	homeopathic potency of centesimal korsakovian series	[KP_C] || [kp_C]
C67567	UCUM Terminology	C48531	Pound	Avoirdupois Pound || [lb_av]	lb	The traditional unit of mass. By international agreement, one avoirdupois pound is equal to exactly 0.45359237 kilogram, 16 ounces, or 1.21528 troy pounds.	pound	[lb_av]
C67567	UCUM Terminology	C64560	Troy Pound	Apothecaries Pound || Troy || [lb_ap] || [lb_tr] || pound	lb_ap || lb_tr	The non-SI unit of mass equal to 0.3732417216 kg.There are 12 apothecaries ounces, or 240 pennyweight, or 5760 grains in the Troy pound.	pound	[lb_ap] || [lb_tr]
C67567	UCUM Terminology	C70473	Pound-Force		lbf || lbf_av	A traditional unit of force defined as a force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one pound. One pound-force is equal to 4.448221615 newtons.	pound force	[lbf_av]
C67567	UCUM Terminology	C217692	Long Hundredweight		lcwt_av	A unit of weight equivalent to 112 pounds or approximately 50.8 kilograms. Used in manufacturing and container shipping to estimate costs.	long hundredweight	[lcwt_av]
C67567	UCUM Terminology	C71218	Ligne	French Line	ligne	A generally obsolete unit of length used in French speaking countries, equal to 1/12 pouce or 1/40 inch and corresponding closely to the English line.	ligne	[ligne]
C67567	UCUM Terminology	C71219	Link for Gunter's Chain British		lk_br	A unit of length representing 1/100 of the Gunters chain and is equal to 0.66 British feet.	link for Gunter's chain	[lk_br]
C67567	UCUM Terminology	C71220	Link for Gunter's Chain USA		lk_us	A traditional unit of length equal to 1/100 of a Gunter's chain, exactly 7.92 inches or 201.168 mm.	link for Gunter's chain	[lk_us]
C67567	UCUM Terminology	C42560	Lumen	lm	lm	A SI derived unit of luminous flux. It is the amount of light that falls on a unit area at unit distance from a source of one candela.	lumen	lm
C67567	UCUM Terminology	C71221	Line Unit of Length	Line || l || lin	lne	A unit of length equal 1/12 inch, approximately 2.1167 millimeters.	line	[lne]
C67567	UCUM Terminology	C198394	Long Ton	[lton_av] || lton_av	lton_av	A traditional unit of mass in the United Kingdom equal to 2,240 pounds or 1.017 metric tons.	long ton	[lton_av]
C67567	UCUM Terminology	C42561	Lux	lx	lx	A SI derived unit of illuminance equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candela; a unit of illuminance that is equal to one lumen per square meter.	lux	lx
C67567	UCUM Terminology	C71225	Light-Year	Light Year || l.y.	ly	A unit of length that would be traversed in a period of one year by an object moving at the speed of light in a vacuum (2.99792458E8 meters per second). One light year is equal to 63239.7 astronomical units, 0.3066 parsecs, 5.88E12 miles, or 9.460528405E15 meters.	light-year	[ly]
C67567	UCUM Terminology	C222494	Meter of Water Column		mH2O	A non-SI manometric unit of pressure defined by a column of water at 4 degrees Celsius with a height of one meter.	meter of water column	m[H2O]
C67567	UCUM Terminology	C222496	Meter of Mercury Column		mHg	A non-SI unit of pressure equal to the pressure exerted by a column of mercury exactly one meter in height under standard conditions.	meter of mercury column	m[Hg]
C67567	UCUM Terminology	C217685	Electron Mass		m_e	A fundamental physical constant equivalent to the mass of an electron in a vacuum, which is approximately 9.109 x 10^-31 kilograms.	electron mass	[m_e]
C67567	UCUM Terminology	C217712	Proton Mass		m_p	A fundamental physical constant equivalent to the mass of a proton, which is approximately 1.67262192 x 10^-27 kilograms.	proton mass	[m_p]
C67567	UCUM Terminology	C207901	Maclagan Unit		mclg'U	A unit of measure initially used in the determination of the degree of liver dysfunction based on the thymol turbidity test and relative optical densities.	Mac Lagan unit	[mclg'U]
C67567	UCUM Terminology	C71222	Mesh		mesh_i	A traditional unit of length defined as the number of opening per inch of a screen, e.g. the number of strands or particles per inch.	mesh	[mesh_i]
C67567	UCUM Terminology	C71182	Mile British	British Imperial Mile || British Mile || Mile of Old British Imperial System	mi_br	A traditional unit of distance equal to 5280 feet of Old British Imperial System, used before 1959 when the unified international definitions for units of British Imperial system were established.	mile	[mi_br]
C67567	UCUM Terminology	C71183	Mile	International Mile || Statute Mile || [mi_i]	mi_i	A traditional unit of distance equal to 5280 international feet, 1760 international yards, or 1609.344 meters.	mile	[mi_i]
C67567	UCUM Terminology	C71184	Survey Mile	US Survey Mile	mi_us	A traditional unit of distance equal to 5280 survey feet or to approximately 1609.347 meters. This unit is used for geodetic purposes by the United States Public Land Survey System.	mile	[mi_us]
C67567	UCUM Terminology	C71223	Mil	International Mil	mil_i	A unit of length equal to one thousandth of an international inch or 25.4 microns; used predominantly to specify thickness.	mil	[mil_i]
C67567	UCUM Terminology	C48154	Minute	min	min	A unit measure of time equal to 60 seconds.	minute	min
C67567	UCUM Terminology	C29846	Month	mo	mo	One of the 12 divisions of a year as determined by a calendar. It corresponds to the unit of time of approximately to one cycle of the moon's phases, about 30 days or 4 weeks.	month	mo
C67567	UCUM Terminology	C217693	Mean Gregorian Month		mo_g	A time period defined as the average of the length of a month over the span of a year, which is approximately 30.436875 days.	mean Gregorian month	mo_g
C67567	UCUM Terminology	C217695	Mean Julian Month		mo_j	A time period defined as the average number of days per month in the Julian year.	mean Julian month	mo_j
C67567	UCUM Terminology	C217720	Synodal Month		mo_s	The time it takes for the moon to line up with the sun and the earth, which is approximately 29 days, 12 hours, 44 minutes and 2.9 seconds.	synodal month	mo_s
C67567	UCUM Terminology	C42539	Mole	Mole || mol	mol	A unit of amount of substance, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). It is the amount of substance that contains as many elementary units as there are atoms in 0.012 kg of carbon-12. When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles.	mole	mol
C67567	UCUM Terminology	C217708	Permeability of Vacuum		mu_0	A fundamental physical constant for the magnetic permeability in a vacuum, which is defined as 4 times pi times 10^-7 Henry per meter.	permeability of vacuum	[mu_0]
C67567	UCUM Terminology	C71227	Nautical Mile British	Admirality Mile	nmi_br	A unit of length used in navigation which is defined as 6080 feet, or 1853.184 meters.	nautical mile	[nmi_br]
C67567	UCUM Terminology	C71228	Nautical Mile		nmi_i	A unit of length used in navigation which is defined as the meridian arc corresponding to 1/60th of a degree, or one minute.	nautical mile	[nmi_i]
C67567	UCUM Terminology	C64558	Troy Ounce	Apothecaries Ounce || International Ounce || International Troy Ounce	oz t || oz_ap || oz_tr	The non-SI unit of mass equal to 31.103 grams, 20 pennyweight, or 480 grains, or 0.083 pound.	ounce	[oz_ap] || [oz_tr]
C67567	UCUM Terminology	C217711	Prism Diopter		p'diop	A unit for reporting the refraction of a prism. This unit serves arbitrary standard of prismatic deflection equal to that of a prism that deflects a beam of light one centimeter on a plane that is one meter away.	prism diopter	[p'diop]
C67567	UCUM Terminology	C45997	pH	[pH] || potential of Hydrogen	pH	Quantity of dimension one used to express on a scale from 0 to 14 the amount-of-substance concentration of hydrogen ion of dilute aqueous solution, calculated as the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter.	pH	[pH]
C67567	UCUM Terminology	C71250	Parsec		pc	A unit of length that is approximately equivalent to 3.26 light years or 19 trillion miles.	parsec	pc
C67567	UCUM Terminology	C71254	Pace Unit of Measure	Geometrical Pace || Great Pace || Pace	pc_br	A traditional unit of length equal to 152.4 centimeters, or 1.52 meter.	pace	[pc_br]
C67567	UCUM Terminology	C71234	Pica		pca	A typographic unit of length equivalent to 1/6 of an inch.	pica	[pca]
C67567	UCUM Terminology	C71235	Printers Pica		pca_pr	A traditional name for a 12 point type.	Printer's pica	[pca_pr]
C67567	UCUM Terminology	C217709	Phot		ph	A measure of illuminance in the CGS (centimeter-gram-second) system which is equivalent to 10,000 lux.	phot	ph
C67567	UCUM Terminology	C71217	Pied	French Foot || Pied de Roi || Royal Foot	pied	A traditional French unit of length equal to approximately 0.3248 meter or 12.79 inches.	pied	[pied]
C67567	UCUM Terminology	C69115	Dry Peck British	Imperial Dry Peck	pk_br	A traditional (non-SI) unit of volume equal to two British gallons, or approximately 9.09218 liters.	peck	[pk_br]
C67567	UCUM Terminology	C217706	Peck		pk_us	A US and Imperial customary unit of dry volume equivalent to 8 dry quarts.	peck	[pk_us]
C67567	UCUM Terminology	C71236	Point Length Unit		pnt	The smallest typographic unit of measure, equivalent to 1/72 inch.	point	[pnt]
C67567	UCUM Terminology	C71237	Printers Point		pnt_pr	A unit of length equal to 0.013837 inch or 0.35145 millimeter.	Printer's point	[pnt_pr]
C67567	UCUM Terminology	C71243	Pouce	French Inch	pouce	A measure of length used in typesetting that is the French word for inch and is approximately to 2.71 centimeters, which is 1/12 of the French pied (foot) .	pouce	[pouce]
C67567	UCUM Terminology	C48523	Part Per Million	Per Million || [ppm]	ppm	A unit of proportion equal to 10E-6.	parts per million	[ppm]
C67567	UCUM Terminology	C69112	Part per Thousand	[ppth]	ppt || ppth	A unit of proportion equal to 10E-3.	parts per thousand	[ppth]
C67567	UCUM Terminology	C70566	Part Per Trillion	[pptr]	pptr	A unit of proportion equal to 10E-12.	parts per trillion	[pptr]
C67567	UCUM Terminology	C69114	Pint British	Imperial Pint || [pt_br]	pt_br	A traditional unit of volume equal to 20 British fluid ounces, 34.678 cubic inches or approximately 568.261 milliliters.	pint	[pt_br]
C67567	UCUM Terminology	C48534	Quart		qt	A United States liquid unit equal to 32 fluid ounces; four quarts equal one gallon.	quart	[qt_us]
C67567	UCUM Terminology	C69119	Quart British	Imperial Quart	qt_br	A unit of dry and liquid volumes in British Imperial Measurement System equal to 69.354 cubic inches, 40 fluid ounces, or 1.1365225 liters.	quart	[qt_br]
C67567	UCUM Terminology	C71239	Ramsden's Chain	Ramsden Chain || Ramsdens Chain	rch_us	A traditional unit of length equal to 100 feet.	Ramden's chain	[rch_us]
C67567	UCUM Terminology	C71240	Rod British		rd_br	A unit of length and surveyor's tool, the British rod is equal to 16.5 British feet.	rod	[rd_br]
C67567	UCUM Terminology	C71241	Rod US		rd_us	A traditional unit of length in the US customary system equal to 16.5 feet or 5.0292 meters.	rod	[rd_us]
C67567	UCUM Terminology	C71242	Link for Ramsden's Chain	Link for Ramsdens Chain	rlk_us	A traditional unit of length equal to 1/100 of a Ramsden's chain, exactly 1 foot.	link for Ramden's chain	[rlk_us]
C67567	UCUM Terminology	C42535	Second	s	s || sec	A unit of time, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). The second is the duration of 919 263 177 0 periods of the specified light radiation corresponding to the transition between the two hyperfine levels of the caesium 133 atom in its ground state at 0 K. According to the convention, 60 seconds constitute one minute; 3,600 seconds constitute one hour.	second	s
C67567	UCUM Terminology	C217717	Stilb		sb	A unit of luminance for objects that are not self-luminous; this unit is equivalent to one candela per square centimeter.	stilb	sb
C67567	UCUM Terminology	C68872	Square Mile	Section || mi2 || sq. mi	sct || smi_us	An imperial unit of area equal the area of a square of one mile in length on each side. It is equal to 2.589988 square kilometers, 640 acres, or 3097600 square yards, or 1/36 of a township.	section	[sct] || [smi_us] || square mile
C67567	UCUM Terminology	C217713	Short Hundredweight		scwt	A unit of weight equivalent to 100 pounds, customarily used in the US.	short hundredweight	[scwt_av]
C67567	UCUM Terminology	C217715	Somogyi Unit		smgy'U	A unit for reporting the enzymatic activity that is equivalent to the amount of amylase required to produce the equivalent of 1 milligram of glucose from a standard preparation of starch.	Somogyi unit	[smgy'U]
C67567	UCUM Terminology	C217714	Smoot		smoot	A non-standard unit of length equal to 5 feet, 7 inches. This unit was named after MIT student Oliver Smoot whose height was used to determine the length of the Massachusetts Avenue Bridge.	Smoot	[smoot]
C67567	UCUM Terminology	C217716	Sphere Angle		sph	The solid angle of a sphere measured from any point in its interior; it is defined as 4 times pi times the square radius of the sphere.	sphere	sph
C67567	UCUM Terminology	C42544	Steradian		sr || str	A SI derived unit of solid angle measurement. One steradian is the solid angle that, having its vertex in the center of a sphere, cuts off an area on the surface of the sphere equal to that of a square with sides of length equal to the radius of the sphere. It is equal to 0.25 of the solid angle around a point, 0.07958 sphere, 0.15916 hemisphere, 0.6366 spherical right angle, 3,282.8 square degrees. The solid angle corresponding to all of space being subtended is 4pi steradians.	steradian	sr
C67567	UCUM Terminology	C68873	Square Rod	Perch	srd_us	A traditional unit of area equal the area of a square of 16.5 feet (5.029 meters) in length on each side. It is equal to 25.2929 square meters, 272.25 square feet, 30.25 square yards, or 0.00625 acre.	square rod	[srd_us]
C67567	UCUM Terminology	C198400	Short Ton	[ston_av] || ston_av	ston_av	A traditional unit of mass in the United States equal to 2,000 pounds or 0.907 metric tons.	short ton	[ston_av]
C67567	UCUM Terminology	C217718	Stone		stone_av	A British unit of weight equal to 14 pounds or approximately 6.35 kilograms.	stone	[stone_av]
C67567	UCUM Terminology	C48462	Square Yard		syd_i || yd2	A traditional unit of area equal to 9 square feet, 1296 square inches, or 0.83612736 square meter.	square yard	[syd_i]
C67567	UCUM Terminology	C48546	Ton	t	t	A metric unit of mass equal to 1000 kilograms, or 2204.623 pounds avoirdupois.	tonne	t
C67567	UCUM Terminology	C207905	Todd Unit		todd'U	A unit of measure used in the determination of the concentration of antibodies to streptolysin O.	Todd unit	[todd'U]
C67567	UCUM Terminology	C68874	Township		twp	A traditional unit of area in the USA generally considered six miles long by six miles wide, equal approximately to 93.24 square kilometers and containing 36 sections, each section one mile square (640 acres).	township	[twp]
C67567	UCUM Terminology	C29844	Week	week || wk	wk	Any period of seven consecutive days.	week	wk
C67567	UCUM Terminology	C48553	Yard	Yard International || Yard US || [yd_i]	yd || yd_i	A traditional unit of length equal to 3 feet, or 36 inches, or 0.9144 meter.	yard	[yd_i]
C67567	UCUM Terminology	C71244	Yard British	British Yard	yd_br	An English unit of length that comprises 3 feet or 36 inches. Since 1959 it is by international agreement standardized as exactly 0.9144 meters.	yard	[yd_br]
C67567	UCUM Terminology	C71245	Survey Yard	Survey Yard US || US Survey Yard	yd_us	A unit of length, approximately equal to 0.914401828803 meter.	yard	[yd_us]