| Identifier |
PrefLabel |
Definition |
Date |
| UMKS |
10^-8 * Cubic metres per kilogram |
Unavailable |
2019-01-20 |
| AMPB |
Amperes |
The SI base unit of electric current equal to a flow of one coulomb per second. |
2020-04-07 |
| UAQU |
Angstrom squared per quantum |
Scaled unit by Avagadro's number and powers of ten to m**2/mol. |
2014-02-04 |
| UAMN |
Arc minutes |
Unit of angle described as one sixtieth of a degree. |
2014-02-04 |
| ATKG |
Atoms per kilogram |
Unit based on one atom in a SI standard unit of mass. |
2020-10-08 |
| BQ11 |
Becquerels |
The SI derived unit of radioactivity defined as one radioactive disintegration per second. |
2019-05-30 |
| BQM3 |
Becquerels per cubic metre |
One radioactive disintegration per second from an SI standard unit of volume. Equivalent to millibecquerels per litre. |
2018-02-02 |
| UBQK |
Becquerels per kilogram |
One radioactive disintegration per second from an SI standard unit of mass of sample. |
2014-06-07 |
| UBQL |
Becquerels per litre |
One radioactive disintegration per second from a one part in 10**3 of the SI unit of volume (cubic metre). |
2014-06-07 |
| BQSM |
Becquerels per square metre |
One radioactive disintegration per second per SI unit area. |
2015-03-26 |
| BSM3 |
Becquerels second per cubic metre |
TBC |
2019-01-20 |
| UYGA |
Billions of years before present |
The length of time elapsed expressed as billions (10**9) of years between the event of interest and the year 1950 AD. |
2014-02-04 |
| BYTE |
Bytes |
Unavailable |
2005-09-01 |
| ULCM |
Centimetres |
Unit of length which is one hundredth of a metre. |
2014-02-04 |
| UVBB |
Centimetres per second |
Unavailable |
2003-11-05 |
| UCKA |
Centimetres per thousand years |
Unavailable |
2003-11-05 |
| UCST |
Centistokes |
The engineering unit commonly used for kinematic vicosity equivalent to 10-6 m^2/s. |
2014-02-04 |
| UCNT |
Counts |
A proprietary unit for RDI ADCP instruments, which is proportional to decibels (dB) and used to measure echo intensity. Counts are converted to dB using a coefficient (Kc) for each ADCP instrument and each beam. |
2016-08-04 |
| UCPS |
Counts per second |
Unavailable |
2003-11-05 |
| VVCC |
Cubic centimetres |
Unit of volume which is equal to 1 millilitre or 10^-6 cubic metre. |
2015-01-08 |
| MCUB |
Cubic metres |
Unavailable |
2009-06-11 |
| CMPS |
Cubic metres per second |
A rate of volumetric flow of one SI unit of volume per one SI unit of time. Also known as 'cumecs'. |
2017-12-11 |
| MCS2 |
Cubic metres per second squared |
Unavailable |
2009-06-11 |
| UMCU |
Cubic micrometres (microns) |
Unavailable |
2003-11-05 |
| UCCM |
Cubic microns per cubic metre |
Unavailable |
2003-11-05 |
| UNVH |
Cubic microns per individual per hour |
Unavailable |
2003-11-05 |
| UCUM |
Cubic microns per millilitre |
Unavailable |
2003-11-05 |
| CMCM |
Cubic millimetres per cubic metre |
One part in 10^9 of the SI unit of volume in the SI unit of volume. |
2015-03-12 |
| UTAA |
Days |
A time interval of 24 hours or 86400 seconds. |
2014-05-06 |
| UPDB |
Decibars |
Unavailable |
2009-06-11 |
| DBPY |
Decibars per year |
A rate of change of pressure expressed in decibars over a period of an average calendar year (365.25 days). |
2017-12-08 |
| UDBL |
Decibels |
Unavailable |
2009-06-11 |
| UDBZ |
Decibels of Z |
Radar reflectivity unit. Decibels with a reference level of 1mm^6/m^3, which is equal to a cubic micron. |
2010-09-16 |
| ULDM |
Decimetres |
Unit of length which is one tenth of a metre. |
2019-05-20 |
| UAAA |
Degrees |
A degree of arc or arc degree is a unit of measurement of a plane angle defined so that a full rotation is 360 degrees. |
2020-04-07 |
| UPAA |
Degrees Celsius |
Unavailable |
2006-05-04 |
| DKM2 |
Degrees Celsius kilogram per square metre |
Derived unit for the product of the temperature in degrees Celsius and the mass density of a medium, integrated over vertical depth or height in metres. |
2017-06-22 |
| UPCC |
Degrees Celsius per metre |
Unavailable |
2006-05-04 |
| DCPY |
Degrees Celsius per year |
A rate of change of temperature expressed on the Celsius scale over a period of an average calendar year (365.25 days). |
2017-12-08 |
| UCSS |
Degrees Celsius squared per second |
Unavailable |
2006-05-04 |
| DEGF |
Degrees Fahrenheit |
Unit of object hotness based upon a scale having 32 as the freezing point of water and 212 as the boiling point of water. |
2014-02-04 |
| DKPM |
Degrees Kelvin per metreDEPRECATED |
A rate of change of one unit on the Kelvin temperature scale per unit length of one metre. |
2020-09-08 |
| UABB |
Degrees True |
Unavailable |
2005-11-04 |
| DEGE |
Degrees east |
Unavailable |
2009-06-17 |
| DEGN |
Degrees north |
Unavailable |
2009-06-17 |
| DGPM |
Degrees per metre |
A change of angle in one SI unit of length. |
2020-09-04 |
| DGPS |
Degrees per second |
Unavailable |
2009-06-11 |
| UUUU |
Dimensionless |
A quantity with the dimension of 1. |
2017-10-22 |
| EVLT |
Electronvolts |
The amount of energy gained or lost by the charge of a single electron moving across an electric potential difference of one volt. One electronvolt equal to 1.602*10−19 joules. |
2018-01-18 |
| EQPL |
Equivalents per litre |
The amount of substance or substances in a litre of solution that will react with one gram of hydrogen. |
2015-12-10 |
| FGKG |
Femtograms per kilogram |
One part per 10**18 by weight of the measurand in the matrix. |
2012-02-22 |
| FGPL |
Femtograms per litre |
One 10**18 part of the SI standard unit of mass of the measurand per litre volume of matrix.. |
2014-02-04 |
| FMKG |
Femtomoles per kilogram |
A 10**18 part quantity of substance of the measurand per kilogram mass of matrix. |
2014-02-04 |
| UPFM |
Femtomoles per litre |
A 10**18 part quantity of substance of the measurand per litre volume of matrix. |
2014-02-04 |
| UFFU |
Fluorescein Fluorescence Units |
Dimensionless scale derived in the laboratory using fluorescein as a proxy for environmental pigments. |
2014-02-04 |
| UFNU |
Formazin Nephelometric Units |
Standardised scale for nephelometric measurement of turbidity calibrated against formazine solutions of different concentration and measured using an 860 nm light (near IR) with a 90 degree detection angle (ISO7027 compliant). |
2018-04-13 |
| UGRM |
Grams |
One thousandth part of the SI base unit of mass (kilogram). |
2014-02-04 |
| UGCC |
Grams per cubic centimetre |
Unavailable |
2003-11-05 |
| UGMC |
Grams per cubic metre |
Unavailable |
2003-11-05 |
| GPRG |
Grams per gram |
One part by weight of the measurand in the matrix. |
2015-06-01 |
| UGKG |
Grams per kilogram |
One part per 10**3 (thousand) by weight of the measurand in the matrix. |
2015-06-01 |
| GCM2 |
Grams per square centimetre |
A non-SI unit of pressure (sometimes referred to as gram-force per centimetre square) equivalent to 98.0665 Pascals. |
2019-05-20 |
| GQCY |
Grams per square centimetre per year |
A rate of change of 0.001 of the SI unit of mass over 0.00001 of the SI unit of area in a period of an average calendar year (365.25 days) |
2015-06-10 |
| UGMS |
Grams per square metre |
Unavailable |
2003-11-05 |
| UYAD |
Gregorian calendar years anno Domini |
A calendar year after the origin of the Gregorian calendar. |
2014-02-04 |
| UYBC |
Gregorian calendar years before Christ |
A calendar year prior to the origin of the Gregorian calendar expressed as a incrementing integer going back into the past. |
2014-02-04 |
| UYMD |
Gregorian date (yyyymmdd) |
A date according to the Gregorian Calendar expressed as an 8-byte string with the year in bytes 1-4, month within year in bytes 5-6 and day within month in bytes 7-8. |
2010-09-30 |
| HCTR |
Hectares |
A non-SI unit of area equal to a square with 100-metre sides or 10,000 square metres. |
2020-05-05 |
| HPAX |
Hectopascals |
A pressure of one hundred Newtons per square metre (100 Pascals). Equivalent to a millibar. |
2014-05-27 |
| HPAH |
Hectopascals per hour |
A change in pressure of one hundred Newtons per square metre (100 Pascals) per hour. Equivalent to a change of one millibar per hour. |
2011-01-26 |
| UTHZ |
Hertz |
Unavailable |
1996-02-28 |
| UHOR |
Hours |
A time interval of sixty minutes or 3600 seconds. |
2010-09-16 |
| UHMS |
Hours Minutes Seconds |
Unavailable |
1997-12-02 |
| TISO |
ISO8601 |
String corresponding to any legal ISO8601 format mask. This is the concatenation of 'yyyy-mm-dd' with any part of 'Thh:mm:ss.sss' (including none) depending on precision and an optional time zone indicator 'Zxxx' where xxx is the offset from UT. |
2014-02-04 |
| JOUL |
Joule |
A derived unit of energy in the International System of Units. It is equal to the energy transferred (or work done) when applying a force of one newton through a distance of one metre (1 newton metre or Nm), or in passing an electric current of one ampere through a resistance of one ohm for one second. It is named after the English physicist James Prescott Joule (1818-1889). |
2017-08-10 |
| JPKG |
Joules per kilogram |
Unavailable |
2009-06-11 |
| JKGK |
Joules per kilogram per Kelvin |
Unavailable |
2009-06-11 |
| JCMH |
Joules per square centimetre per day |
Radiant energy per 10^-4 SI unit area over a period of one day. |
2015-01-28 |
| JMSQ |
Joules per square metre |
Unavailable |
2009-06-11 |
| KPAS |
Kelvin Pascals per second |
Unavailable |
2009-06-11 |
| KMTX |
Kelvin metres |
Unavailable |
2009-06-11 |
| KMTS |
Kelvin metres per second |
Unavailable |
2009-06-11 |
| KPRS |
Kelvin per second |
Unavailable |
2009-06-11 |
| KSXX |
Kelvin second |
Unavailable |
2009-06-11 |
| KMSS |
Kelvin square metres per kilogram per second |
Unavailable |
2009-06-11 |
| KLSQ |
Kelvin squared |
Unavailable |
2009-06-11 |
| UPKA |
Kelvins |
The base unit of temperature in the International System of Units. |
2020-09-08 |
| KPMT |
Kelvins per metre |
A change of temperature on the Kelvin temperature scale in one SI unit of length. |
2020-09-08 |
| KGPS |
Kilogram per second |
Unavailable |
2009-06-11 |
| KGXX |
Kilograms |
The SI standard unit of mass. |
2017-07-26 |
| UKMC |
Kilograms per cubic metre |
Unavailable |
2003-11-05 |
| KSP3 |
Kilograms per cubic metre per second |
Unavailable |
2009-06-11 |
| KGPH |
Kilograms per hour |
Unavailable |
2017-03-17 |
| KGMH |
Kilograms per metre per hour |
One SI standard unit of mass over one SI standard unit of length over 3600 times one SI standard unit of time. |
2020-01-20 |
| KMPS |
Kilograms per metre per second |
Unavailable |
2009-06-11 |
| KGAK |
Kilograms per square kilometre |
One SI standard unit of mass over the square of one thousand standard unit of length. |
2019-02-10 |
| KMP2 |
Kilograms per square metre |
Unavailable |
2009-06-11 |
| KSP2 |
Kilograms per square metre per second |
Unavailable |
2009-06-11 |
| KGS2 |
Kilograms squared per second squared |
Unavailable |
2009-07-06 |
| ULKM |
Kilometres |
Unit of length which is one thousand metres. |
2019-05-20 |
| KMDY |
Kilometres per day |
A change in location of a distance of one thousand metres in an elapsed time of one day (86400 seconds). |
2014-02-04 |
| KMHR |
Kilometres per hour |
A change in location of a distance of one thousand metres in an elapsed time of one hour (3600 seconds). |
2020-11-25 |
| KIPA |
Kilopascals |
A force of one thousand Newtons per square metre. |
2014-02-04 |
| UYKA |
Kiloyears before present |
The length of time elapsed expressed as thousands of years between the event of interest and the year 1950 AD. |
2014-02-04 |
| UKNT |
Knots (nautical miles per hour) |
Unavailable |
2000-12-28 |
| ULIT |
Litres |
Unavailable |
1996-11-13 |
| ULKG |
Litres per kilogram |
Unavailable |
1997-02-07 |
| LPUM |
Litres per micromole |
The inverse of a molar concentration - the untits of per molarity. |
2014-06-24 |
| ULPM |
Litres per minute |
Unavailable |
2003-06-30 |
| USIS |
Magnetic susceptibility SI units |
Unavailable |
2010-12-07 |
| UCGS |
Magnetic susceptibility cgs units |
Unavailable |
1996-10-24 |
| UCGG |
Magnetic susceptibility cgs units per gram |
Unavailable |
1996-10-24 |
| MBYT |
Megabytes |
Unavailable |
2005-09-01 |
| ULAA |
Metres |
The base unit of length in the International System of Units. |
2019-05-20 |
| UVAA |
Metres per second |
Unavailable |
2003-11-05 |
| MPS2 |
Metres per second squared |
Unavailable |
2009-06-11 |
| MPYR |
Metres per year |
A rate of change of SI standard unit length over a period of an average calendar year (365.25 days). |
2017-02-28 |
| M4S1 |
Metres to the power four per second |
Unavailable |
2017-02-28 |
| UMEC |
MicroEinsteins per cubic metre per second |
Unavailable |
2003-11-05 |
| UECH |
MicroEinsteins per square centimetre per hour |
Energy of 10^-6 moles of photons per 10^-4 SI unit area over a period of one hour. |
2015-01-28 |
| UESC |
MicroEinsteins per square centimetre per second |
Energy of 10^-6 moles of photons per 10^-4 SI unit area over a period of one second. |
2019-02-05 |
| UMES |
MicroEinsteins per square metre per second |
Unavailable |
2003-11-05 |
| UEQL |
MicroEquivalents per litre |
The amount of substance or substances in a litre of solution that will react with one microgram of hydrogen. |
2012-12-18 |
| UGPM |
MicroGals per metre |
A rate of change of one millionth part of a unit of gravitational acceleration equal to one centimetre per second per second over a distance of one metre. |
2010-11-04 |
| UATM |
Microatmospheres |
Unavailable |
2005-04-12 |
| UWBQ |
Microbecquerels per kilogram |
One radioactive disintegration per hundred thousand seconds from an SI standard unit of mass of sample. |
2016-10-06 |
| UUBQ |
Microbecquerels per litre |
Unavailable |
2014-06-07 |
| UGUG |
Micrograms |
10**-6 grams or one 10**-9 of the SI standard unit of mass (kilogram). |
2017-07-26 |
| XGCC |
Micrograms per cubic centimetre |
One part in 10^9 of the SI unit of mass in one part in 10^6 of the SI unit of volume. |
2015-01-08 |
| MCUG |
Micrograms per cubic metre |
Unavailable |
2010-04-12 |
| UGM3 |
Micrograms per cubic metre per hour |
Unavailable |
2008-02-20 |
| WXCC |
Micrograms per five cubic centimetres |
One part in 10^9 of the SI unit of mass in five parts in 10^6 of the SI unit of volume. |
2016-05-16 |
| UGGR |
Micrograms per gram |
One part per 10**6 (million) by weight of the measurand in the matrix. |
2016-11-03 |
| UUKG |
Micrograms per kilogram |
One part per 10**9 (billion) by weight of the measurand in the matrix. |
2012-02-22 |
| UGPL |
Micrograms per litre |
Unavailable |
2000-02-09 |
| MGLH |
Micrograms per litre per hour |
A rate of change of mass of a measurand equivalent to 10^-9 kilogram (the SI unit of mass) per litre volume of matrix over a period of 1 hour. |
2015-01-08 |
| UUGS |
Micrograms per millilitre |
One part in 10^9 of the SI unit of mass in one part in 10^6 of the SI unit of volume. |
2015-01-08 |
| UUDX |
Micrograms per square metre per day |
Unavailable |
2003-11-05 |
| UUML |
Microlitres per litre |
Unavailable |
2001-07-27 |
| UMIC |
Micrometres (microns) |
Unavailable |
1996-10-11 |
| UMUB |
Micromole per micromole of biomass per day |
Unavailable |
2000-12-12 |
| CMUM |
Micromoles per cubic metre |
|
2015-11-10 |
| KGUM |
Micromoles per kilogram |
Unavailable |
2004-06-17 |
| UPOX |
Micromoles per litre |
Unavailable |
2003-11-05 |
| UMMD |
Micromoles per litre per day |
Unavailable |
2003-11-05 |
| UMMH |
Micromoles per litre per hour |
Unavailable |
2003-11-05 |
| UMPM |
Micromoles per mole |
Unavailable |
2007-09-19 |
| UUUD |
Micromoles per square metre per day |
Unavailable |
2003-11-05 |
| UMFX |
Micromoles per square metre per hour |
Unavailable |
2003-11-05 |
| UM2S |
Micromoles per square metre per second |
One part per 10**6 (million) of the SI unit of quantity of matter (the mole) per SI unit area per SI unit of time. |
2017-09-29 |
| USEC |
Microseconds |
A time interval of one millionth of a second. |
2014-05-06 |
| MEKG |
MilliEquivalents per kilogram |
The amount of substance or substances in a kilogram of solution that will react with one milligram of hydrogen. |
2013-02-05 |
| MEQL |
MilliEquivalents per litre |
The amount of substance or substances in a litre of solution that will react with one milligram of hydrogen. |
2012-12-18 |
| MGAL |
MilliGals |
One thousandth part of a unit of gravitational acceleration equal to one centimetre per second per second. |
2014-02-04 |
| MGPM |
MilliGals per month |
A rate of change of one millionth part of a unit of gravitational acceleration equal to one centimetre per second per second over a time duration of 30.4375 days or 2629800 seconds. |
2014-07-17 |
| MSCM |
MilliSiemens per centimetre |
Unavailable |
2014-07-17 |
| MSPM |
MilliSiemens per metre |
Unavailable |
2014-05-27 |
| UMAM |
Milliamps |
Unavailable |
1998-07-13 |
| UPBB |
Millibars |
Unavailable |
2003-11-05 |
| MBQM |
Millibecquerels per cubic metre |
One radioactive disintegration per thousand seconds from an SI standard unit of volume. Equivalent microbecquerels per litre. |
2020-09-25 |
| MBPG |
Millibecquerels per gram |
One radioactive disintegration per thousand seconds per 1000th SI unit of sample mass. |
2018-05-03 |
| MBQK |
Millibecquerels per kilogram |
One radioactive disintegration per thousand seconds from an SI standard unit of mass of sample. |
2014-06-07 |
| UMBQ |
Millibecquerels per litre |
One radioactive disintegration per second from the SI unit of volume (cubic metre). Equivalent to Becquerels per cubic metre. |
2014-06-07 |
| MBQF |
Millibecquerels per square metre per day |
One radioactive disintegration per thousand seconds in material passing through an area of one square metre during a period of one day (86400 seconds). |
2019-01-20 |
| MGRM |
Milligrams |
10^-6 of the SI unit of mass (kilogram) or 10^-3 grams. |
2020-11-03 |
| UCLC |
Milligrams of carbon per (microEinstein per square metre per second) per milligram of chlorophyll per hour |
Unavailable |
2005-03-01 |
| UCCL |
Milligrams of carbon per milligram of chlorophyll per hour |
Unavailable |
2007-03-05 |
| UMMC |
Milligrams per cubic metre |
Unavailable |
2003-11-05 |
| UGDC |
Milligrams per cubic metre per day |
Unavailable |
2003-11-05 |
| UGLH |
Milligrams per cubic metre per hour |
Unavailable |
2003-11-05 |
| MGPG |
Milligrams per gram |
One part per 10**3 (thousand) by weight of the measurand in the matrix. |
2015-11-12 |
| UMKG |
Milligrams per kilogram |
One part per 10**6 (million) by weight of the measurand in the matrix. |
2012-02-22 |
| UMGL |
Milligrams per litre |
Unavailable |
1994-09-23 |
| UMMS |
Milligrams per square metre |
Unavailable |
1999-03-09 |
| UGDX |
Milligrams per square metre per day |
Unavailable |
2003-11-05 |
| MGSQ |
Milligrams per square metre per hour |
Unavailable |
2005-05-05 |
| UM2D |
Milligrams per square metre per incubation duration |
Unavailable |
2003-11-05 |
| VVML |
Millilitres |
Unit of volume which is equal to one 10^-3 litre or 10^-6 cubic metre. |
2015-01-08 |
| UMCH |
Millilitres cleared per individual per hour |
Unavailable |
2003-11-05 |
| MPM3 |
Millilitres per cubic metre |
Unavailable |
2009-09-16 |
| MIKG |
Millilitres per kilogram |
SI unit of volume scaled by 10**-6 per SI unit of mass. |
2015-01-08 |
| UMLL |
Millilitres per litre |
Unavailable |
2008-02-20 |
| CCPM |
Millilitres per minute |
Unavailable |
2007-09-19 |
| MSMD |
Millilitres per square metre per day |
Unavailable |
2009-03-16 |
| UXMM |
Millimetres |
Unit of length which is one thousandth of a metre. |
2019-05-20 |
| MMPD |
Millimetres per day |
A change in location of a distance of one thousandth (0.001) of a metre in an elapsed time of one day (86400 seconds). |
2014-02-04 |
| MMPH |
Millimetres per hour |
Unavailable |
2008-02-20 |
| UMMM |
Millimetres per minute |
Unavailable |
2001-10-25 |
| UVCC |
Millimetres per second |
Unavailable |
2003-11-05 |
| MMPY |
Millimetres per year |
A rate of change in length of one thousandth (0.001) of a metre over a period of an average calendar year (365.25 days). |
2019-06-17 |
| MMCM |
Millimoles per cubic metre |
Unavailable. |
2015-12-10 |
| MCMD |
Millimoles per cubic metre per day |
Unavailable. |
2015-12-10 |
| MMKG |
Millimoles per kilogram |
One part in 10**3 of the SI unit of quantity of matter per SI unit of mass. |
2014-05-27 |
| MMPL |
Millimoles per litre |
Unavailable |
2008-02-20 |
| MMOM |
Millimoles per mole |
Unavailable |
2007-09-19 |
| MMSM |
Millimoles per square metre |
Unavailable. |
2015-12-15 |
| UMDX |
Millimoles per square metre per day |
Unavailable |
2003-11-05 |
| MAKG |
Million atoms per kilogram |
Unit based on one million atoms in a SI standard unit of mass. |
2019-01-20 |
| UYMA |
Millions of years before present |
The length of time elapsed expressed as millions of years between the event of interest and the year 1950 AD. |
2014-02-04 |
| MRAD |
Millirads per hour |
One thousandth part of an absorbed ionizing radiation dose equal to 100 ergs per gram of irradiated material received per hour. |
2014-02-04 |
| UMSC |
Milliseconds |
A time interval of one thousandth of a second. |
2014-05-06 |
| UUMV |
Millivolts |
Unavailable |
1999-01-28 |
| MWSR |
Milliwatts per square centimetre per micrometre per steradian |
Unavailable |
2017-02-28 |
| MWNM |
Milliwatts per square metre per nanometre |
Unavailable |
2014-08-14 |
| MWNS |
Milliwatts per square metre per nanometre per steradian |
Unavailable |
2014-08-14 |
| UMIN |
Minutes |
A time interval of sixty seconds. |
2014-02-04 |
| MOLE |
Moles |
Unavailable |
2009-06-11 |
| UMPE |
Moles per Einstein |
Unavailable |
1999-03-18 |
| MLM3 |
Moles per cubic metre |
SI unit of quantity of matter per SI unit volume. |
2014-02-04 |
| MM3S |
Moles per cubic metre per second |
SI unit of quantity of matter per SI unit volume per SI unit of time. |
2014-02-04 |
| MPGH |
Moles per gram per hour |
SI unit of the quantity of matter per SI unit of mass per unit of time expressed in hour. |
2016-10-26 |
| MLKG |
Moles per kilogram |
Unavailable |
2009-06-11 |
| MPLT |
Moles per litre |
Unavailable |
2015-11-26 |
| MPMX |
Moles per mole |
Unavailable. |
2016-10-26 |
| MLPS |
Moles per second |
Unavailable |
2009-06-11 |
| MLM2 |
Moles per square metre |
SI unit of quantity of matter per SI unit area. |
2014-02-04 |
| M2MS |
Moles per square metre per second |
SI unit of quantity of matter per SI unit area per SI unit of time. |
2014-02-04 |
| M2MM |
Moles per square metre per second per metre |
Unavailable |
2009-06-11 |
| M2SR |
Moles per square metre per second per metre per steradian |
Unavailable |
2009-06-11 |
| M3SR |
Moles per square metre per second per steradian |
Unavailable |
2009-06-11 |
| UMNT |
Months |
A time interval of 30.4375 days or 2629800 seconds. |
2014-05-06 |
| NAMP |
Nanoamperes |
An SI unit of electrical current equal to 10^−9 amperes. |
2020-04-07 |
| UNBQ |
Nanobecquerels per litre |
Unavailable |
2014-06-07 |
| UNPI |
Nanograms |
10**-9 grams or one 10**-12 of the SI standard unit of mass (kilogram). |
2017-07-26 |
| UNID |
Nanograms per day |
Unavailable |
2008-02-20 |
| NGPG |
Nanograms per gram |
One part per 10**9 (billion) by weight of the measurand in the matrix. |
2015-11-26 |
| UNIM |
Nanograms per individual per minute |
Unavailable |
2000-12-12 |
| NGKG |
Nanograms per kilogram |
One part per 10**12 (trillion) by weight of the measurand in the matrix. |
2015-06-01 |
| UNGL |
Nanograms per litre |
Unavailable |
1994-12-19 |
| UNUL |
Nanograms per microlitre |
Unavailable |
2014-11-06 |
| UXNM |
Nanometres |
Unit of length which is one billionth (10^-9) of a metre. |
2019-05-20 |
| NMCH |
Nanomoles per cubic centimetre per hour |
Unavailable |
2015-11-26 |
| KGNM |
Nanomoles per kilogram |
Unavailable |
2004-06-17 |
| UPNM |
Nanomoles per litre |
Unavailable |
2003-11-05 |
| UNMD |
Nanomoles per litre per day |
Unavailable |
2003-11-05 |
| UNMH |
Nanomoles per litre per hour |
Unavailable |
2003-11-05 |
| NMGH |
Nanomoles per microgram per hour |
Unavailable |
2005-08-02 |
| NMMM |
Nanomoles per micromole |
Unavailable. |
2015-12-10 |
| NMMD |
Nanomoles per micromole per day |
Unavailable. |
2015-12-10 |
| NSQD |
Nanomoles per square metre per day |
Unavailable |
2006-07-11 |
| UMAA |
Nanoteslas |
Unavailable |
2003-11-05 |
| USTU |
Nephelometric Turbidity Units |
Standardised scale for nephelometric measurement of turbidity calibrated against formazine solutions of different concentration and measured using a white light source at a 90 degree detection angle. Earlier measurements of turbidity tended to use NTU (sometimes also labelled STU or FTU) as the unit regardless of the measurement method. |
2018-04-16 |
| NCUM |
Newtons per cubic metre |
Unavailable |
2009-06-11 |
| NTPM |
Newtons per metre |
Derived SI unit for expressing surface tension. |
2018-07-03 |
| UNSM |
Newtons per square metre |
Unavailable |
2003-11-05 |
| XXXX |
Not applicable |
The property is a nominal property to which the concept of unit does not apply. |
2018-07-05 |
| UKWN |
Not known |
A unit of measure exists, but it is not known. |
2010-09-16 |
| USPC |
Not specified |
The units are deliberately undefined such as arbitrary units. |
2017-10-15 |
| NBHG |
Number per 100 grams |
Count of an entity or phenomenon occurrence in one 10th of the SI unit of mass (kilogram). |
2019-01-20 |
| NCM3 |
Number per cubic centimetre |
Quantification of occurrence of an observed phenomenon in one part in 10^6 of the SI unit of volume. Equivalent to number per millilitre. |
2018-02-15 |
| UPMM |
Number per cubic metre |
Unavailable |
2008-02-20 |
| UNPG |
Number per gram |
Unavailable |
2003-11-05 |
| NHTR |
Number per hectare |
Count of an entity or phenomenon's occurrence in 10,000 times the SI unit area (square metre). |
2020-05-05 |
| NOPH |
Number per hour |
Unavailable. |
2017-03-10 |
| UNAH |
Number per individual per hour |
Unavailable |
2000-02-10 |
| UCPL |
Number per litre |
Unavailable |
2003-11-05 |
| NOPM |
Number per metre |
Unavailable. |
2017-03-10 |
| UCUL |
Number per microlitre |
Unavailable |
2008-02-20 |
| NBMG |
Number per milligram |
Count of an entity or phenomenon occurrence in one millionth of the SI unit of mass (kilogram). |
2019-01-20 |
| UCML |
Number per millilitre |
Unavailable |
2003-11-05 |
| UCNL |
Number per nanolitre |
Unavailable |
2008-03-04 |
| UVAY |
Number per square centimetre per thousand years |
Unavailable |
2005-02-28 |
| NPKM |
Number per square kilometre |
Unavailable |
2010-07-20 |
| UPMS |
Number per square metre |
Unavailable |
2003-11-05 |
| UNDX |
Number per square metre per day |
Unavailable |
2003-11-05 |
| OHMM |
Ohm metres |
Electrical resistance expressed in Ohms of a one metre length of conductor. Ohm is the SI unit of electrical resistance defined as the electrical resistance offered by a current-carrying element that produces a voltage drop of one volt when a current of one ampere is flowing through it. |
2010-11-04 |
| UOHM |
Ohms |
SI unit of electrical resistance defined as the electrical resistance offered by a current-carrying element that produces a voltage drop of one volt when a current of one ampere is flowing through it. |
2010-09-16 |
| UPPB |
Parts per billion |
Proportion of one part in 10**9 by weight, number, volume or amount (i.e. moles). |
2012-08-21 |
| UBLV |
Parts per billion by volume |
Unavailable |
1997-12-15 |
| UPPM |
Parts per million |
Proportion of one part in 10**6 by weight, volume or amount (i.e. moles). Milligrams/kilogram is a more explicit alternative for part per million by weight. |
2010-09-16 |
| UMLV |
Parts per million by volume |
Unavailable |
1997-12-15 |
| UPPE |
Parts per ten thousand |
Proportion of one part in 10**4 by weight, number, volume or amount (i.e. moles). |
2012-08-21 |
| UPPT |
Parts per thousand |
Proportion of one part in 10**3 by weight, number, volume or amount (i.e. moles). |
2012-08-21 |
| UPTH |
Parts per thousand per hour |
Unavailable |
2003-11-05 |
| PPTR |
Parts per trillion |
Proportion of one part in 10**12 by weight, volume or amount (i.e. moles or atoms). Nanograms per kilogram is a more explicit alternative for parts per trillion by weight. |
2017-03-01 |
| UTRV |
Parts per trillion by volume |
Unavailable |
1997-12-15 |
| PAMT |
Pascal metres |
Unavailable |
2010-10-11 |
| PAMS |
Pascal metres per second |
Unavailable |
2009-06-11 |
| PAM2 |
Pascal metres per second squared |
Unavailable |
2009-06-11 |
| PASS |
Pascal seconds |
Unavailable |
2009-06-11 |
| PPS2 |
Pascal squared per second squared |
Unavailable |
2009-06-11 |
| PASX |
Pascals |
The derived unit of pressure or stress in the international System of Units (SI). It is defined as one newton per square metre. |
2019-05-20 |
| PAPM |
Pascals per metre |
Unavailable |
2009-07-06 |
| PAPS |
Pascals per second |
Unavailable |
2009-06-11 |
| UPCT |
Percent |
Unavailable |
2003-11-05 |
| UPCD |
Percent per day |
Unavailable |
2003-11-05 |
| UPCH |
Percent per hour |
Unavailable |
2003-11-05 |
| UPOP |
Percent per metre |
Unavailable |
2003-11-05 |
| UPCW |
Percent per week |
A rate of change in percent over a period of 7 days |
2017-10-25 |
| UPDS |
Percentage of dry sedimentDEPRECATED |
Unavailable |
2014-08-15 |
| UPAM |
Picoamps per micromole per litre |
Unavailable |
2017-10-25 |
| UGPG |
Picograms |
10**-12 grams or one 10**-15 of the SI standard unit of mass (kilogram). |
2017-07-26 |
| PGPG |
Picograms per gram |
One part per 10**12 (trillion) by weight of the measurand in the matrix. |
2018-05-24 |
| PGKG |
Picograms per kilogram |
One part per 10**15 by weight of the measurand in the matrix. |
2015-06-01 |
| PGPL |
Picograms per litre |
One 10**15 part of the SI standard unit of mass of the measurand per litre volume of matrix.. |
2014-02-04 |
| UPMA |
Picomoles per cubic metre |
Unavailable |
2004-06-25 |
| UPVT |
Picomoles per cubic metre per second |
Unavailable |
2003-11-05 |
| KGPM |
Picomoles per kilogram |
Unavailable |
2007-09-06 |
| UPML |
Picomoles per litre |
Unavailable |
2003-11-05 |
| PMLD |
Picomoles per litre per day |
A change in the quantity of matter of 10^-12 moles in the SI unit of volume scaled by 10^-3 over a period of 86400 seconds. |
2015-01-08 |
| UPMH |
Picomoles per litre per hour |
A change in the quantity of matter of 10^-12 moles in the SI unit of volume scaled by 10^-3 over a period of 3600 seconds. |
2015-01-08 |
| UPVW |
Picomoles per metre per watt per second |
Unavailable |
1997-01-22 |
| UPMD |
Picomoles per square metre per day |
Unavailable |
2006-07-07 |
| PWAV |
Picowatts per square centimetre per litre |
The power (scaled by 10^-12) per SI unit of area (scaled by 10^-4) produced per SI unit of volume (scaled by 10^-3). |
2015-01-08 |
| PIXY |
Pixels |
The smallest resolvable element of a digital image and a unit of measure in image analysis. |
2018-01-12 |
| URAD |
Radians |
Unavailable |
2009-06-11 |
| RAPS |
Radians per second |
Unavailable. |
2015-12-10 |
| UTBB |
Seconds |
The duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom. |
2014-05-06 |
| SCPM |
Seconds per metre |
Unavailable |
2018-07-10 |
| UECA |
Siemens per metre |
Unavailable |
2003-11-05 |
| UMTC |
Square Metres.Hertz squared |
Unavailable |
2003-11-05 |
| SQCM |
Square centimetres |
A unit of area defined as a square of one centimetre long on each side. |
2017-10-22 |
| SQCC |
Square centimetres per cubic centimetre |
Unavailable. |
2015-12-10 |
| UCMS |
Square centimetres per second |
Unavailable |
2003-11-05 |
| SQKM |
Square kilometres |
Unavailable |
2010-07-20 |
| M2SX |
Square metre seconds |
Unavailable |
2009-06-11 |
| M2RD |
Square metre seconds per radian |
Unavailable |
2009-06-11 |
| UMSQ |
Square metres |
Unavailable |
2003-11-05 |
| UMHZ |
Square metres per Hertz |
Unavailable |
2003-11-05 |
| M2HD |
Square metres per Hertz per degree |
Unavailable |
2016-07-06 |
| SMPG |
Square metres per gram |
Unavailable |
2014-08-15 |
| UMSG |
Square metres per gram of dry sedimentDEPRECATED |
Unavailable |
2014-08-15 |
| SQMS |
Square metres per second |
Unavailable |
2009-06-11 |
| SQM2 |
Square metres per second squared |
Unavailable |
2009-06-11 |
| UMTN |
Square metres per squared Hertz |
Unavailable |
2016-07-06 |
| UMTB |
Square metres.Hertz |
Unavailable |
2003-11-05 |
| UMTE |
Square metres.Hertz^4 |
Unavailable |
2003-11-05 |
| UMTD |
Square metres.cubic Hertz |
Unavailable |
2003-11-05 |
| SQUM |
Square micrometres |
A unit of area defined as a square of one micrometre long on each side. It has a dimension of L2 where L is length. It can be converted to the corresponding standard SI unit area by multiplying its value by a factor of 10^-12. |
2020-09-18 |
| USUM |
Square microns per millilitre |
Unavailable |
2003-11-05 |
| MILM |
Square millimetres |
A unit of area defined as a square of one millimetre long on each side. It has a dimension of L2 where L is length. It can be converted to the corresponding standard SI unit area by multiplying its value by a factor of 10^-6. |
2020-12-15 |
| USVD |
Sverdrup |
One Sverdrup is a million cubic metres per second or a million cumecs. |
2014-02-04 |
| MTON |
Tonnes |
A non-SI unit of mass equivalent to 1000 SI unit of mass (kilogram). |
2019-07-23 |
| UUTU |
Tritium units (10**18H/Tr) |
Unavailable |
1998-12-14 |
| UVLT |
Volts |
Unavailable |
1994-12-22 |
| UVP5 |
Volts multiplied by 100000 |
Voltage expressed as volts scaled by multiplying by one hundred thousand. |
2016-01-13 |
| WSMM |
Watt seconds per square metre |
Unavailable |
2009-06-11 |
| WATT |
Watts |
The SI derived unit of power. |
2013-07-16 |
| UWCM |
Watts per cubic metre |
Unavailable |
2003-11-05 |
| WPKG |
Watts per kilogram |
Unavailable |
2011-11-25 |
| WAPM |
Watts per metre |
Unavailable |
2009-06-11 |
| WAPK |
Watts per metre per Kelvin |
Unavailable |
2009-06-11 |
| UFAA |
Watts per square metre |
Unavailable |
2003-11-05 |
| WMSW |
Watts per square metre per inverse metre per steradian |
The power per unit area of radiation of a given wavenumber illuminating a target at a given incident angle. |
2014-02-04 |
| WM2M |
Watts per square metre per metre |
Unavailable |
2009-06-11 |
| WM2S |
Watts per square metre per metre per steradian |
Unavailable |
2009-06-11 |
| UWNM |
Watts per square metre per nanometre |
Unavailable |
2003-11-05 |
| UWNS |
Watts per square metre per nanometre per steradian |
Unavailable |
1998-11-11 |
| WMSS |
Watts per square metre per steradian |
Unavailable |
2009-06-11 |
| UYRS |
Years |
A time interval of 365.25 days or 31557600 seconds. |
2014-02-04 |
| UYBP |
Years before present |
The length of time elapsed expressed as years between the event of interest and the year 1950 AD. |
2014-02-04 |
| UUPH |
pH units |
Unavailable |
1994-09-16 |
| PPPS |
per Pascal per second |
Unavailable |
2009-06-11 |
| UPCM |
per centimetre |
Unavailable |
2017-10-25 |
| PCUM |
per cubic metre |
Volume of a cube with sides of length 1 metre. |
2014-02-04 |
| M3PS |
per cubic metre per second |
Unavailable |
2009-06-11 |
| UPDY |
per day |
Unavailable |
2003-11-05 |
| UFPD |
per female per day |
Unavailable |
2003-11-05 |
| PG01 |
per gram |
Unavailable |
2015-11-27 |
| UPRM |
per metre |
Unavailable |
2003-11-05 |
| UMNX |
per metre per nanometre |
Unavailable |
1995-09-15 |
| UMNS |
per metre per nanometre per steradian |
Unavailable |
1995-09-15 |
| PMPS |
per metre per second |
Unavailable |
2009-06-11 |
| PMSR |
per metre per steradian |
Unavailable |
2009-06-11 |
| PUML |
per micromole per litre |
Units used to describe the sensitivity of detection of a spectrophotometer. |
2016-09-19 |
| PMSC |
per millisecond |
Unavailable |
2009-12-03 |
| PRSC |
per second |
Unavailable |
2009-06-11 |
| UPSS |
per second squared |
Unavailable |
2003-11-05 |
| PMSQ |
per square metre |
Unavailable |
2009-07-06 |
| M2S2 |
per square metre per second |
Unavailable |
2009-07-06 |
| PSTR |
per steradian |
Unavailable |
2010-03-12 |
| XXPY |
per year |
A rate of change over a period of an average calendar year (365.25 days). |
2017-12-08 |
| UPHI |
phi units |
Logarithm to the base 2 of a length, generally sediment grain diameter, in millimetres as devised by Krumbein (1936). |
2014-02-04 |
| THSC |
thousandths of a second |
One thousandth part of the time interval of a second. |
2014-02-04 |
| UDTM |
yyyymmddhh24miss.dd |
Unavailable |
1999-12-10 |
