in_subset
type: AnnotationProperty

has_exact_synonym
type: AnnotationProperty

definition
type: AnnotationProperty

imported from
type: AnnotationProperty

has_alternative_id
type: AnnotationProperty

has_obo_namespace
type: AnnotationProperty

has_narrow_synonym
type: AnnotationProperty

length unit
type: Class
definition: A unit which is a standard measure of the distance between two points.
id: UO:0000001
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

time unit
type: Class
definition: A unit which is a standard measure of the dimension in which events occur in sequence.
id: UO:0000003
has_alternative_id: UO:0000149
created by: george gkoutos
has_exact_synonym: time derived unit
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

temperature unit
type: Class
definition: A unit which is a standard measure of the average kinetic energy of the particles in a sample of matter.
id: UO:0000005
has_alternative_id: UO:0000126
created by: george gkoutos
has_exact_synonym: temperature derived unit
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

meter
type: Class
subclass of: length unit
definition: A length unit which is equal to the length of the path traveled by light in vacuum during a time interval of 1/299 792 458 of a second.
id: UO:0000008
created by: george gkoutos
has_exact_synonym: m
has_exact_synonym: metre
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

second
type: Class
subclass of: time unit
definition: A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.
id: UO:0000010
created by: george gkoutos
has_exact_synonym: s
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

kelvin
type: Class
subclass of: temperature unit
definition: A thermodynamic temperature unit which is equal to the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.
has_exact_synonym: K
id: UO:0000012
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

centimeter
type: Class
subclass of: length unit
definition: A length unit which is equal to one hundredth of a meter or 10^[-2] m.
id: UO:0000015
has_exact_synonym: centimetre
has_exact_synonym: cm
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

millimeter
type: Class
subclass of: length unit
definition: A length unit which is equal to one thousandth of a meter or 10^[-3] m.
id: UO:0000016
created by: george gkoutos
has_exact_synonym: micrometre
has_exact_synonym: mm
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

micrometer
type: Class
subclass of: length unit
definition: A length unit which is equal to one millionth of a meter or 10^[-6] m.
id: UO:0000017
created by: george gkoutos
has_exact_synonym: micrometre
has_exact_synonym: micron
has_exact_synonym: um
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

nanometer
type: Class
subclass of: length unit
definition: A length unit which is equal to one thousandth of one millionth of a meter or 10^[-9] m.
id: UO:0000018
created by: george gkoutos
has_exact_synonym: nanometre
has_exact_synonym: nm
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

angstrom
type: Class
subclass of: length unit
definition: A length unit which is equal to 10 [-10] m.
id: UO:0000019
created by: george gkoutos
has_obo_namespace: unit.ontology
has_exact_synonym: Å
in_subset: unit slim
imported from: uo.owl

picometer
type: Class
subclass of: length unit
definition: A length unit which is equal to 10^[-12] m.
id: UO:0000020
created by: george gkoutos
has_exact_synonym: picometre
has_exact_synonym: pm
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

degree Celsius
type: Class
subclass of: temperature unit
definition: A temperature unit which is equal to one kelvin degree. However, they have their zeros at different points. The centigrade scale has its zero at 273.15 K.
has_exact_synonym: C
id: UO:0000027
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

millisecond
type: Class
subclass of: time unit
definition: A time unit which is equal to one thousandth of a second or 10^[-3] s.
id: UO:0000028
created by: george gkoutos
has_exact_synonym: ms
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

microsecond
type: Class
subclass of: time unit
definition: A time unit which is equal to one millionth of a second or 10^[-6] s.
id: UO:0000029
created by: george gkoutos
has_obo_namespace: unit.ontology
has_exact_synonym: us
in_subset: unit slim
imported from: uo.owl

picosecond
type: Class
subclass of: time unit
definition: A time unit which is equal to 10^[-12] s.
id: UO:0000030
created by: george gkoutos
has_exact_synonym: ps
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

minute
type: Class
subclass of: time unit
definition: A time unit which is equal to 60 seconds.
id: UO:0000031
created by: george gkoutos
has_exact_synonym: min
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

hour
type: Class
subclass of: time unit
definition: A time unit which is equal to 3600 seconds or 60 minutes.
id: UO:0000032
created by: george gkoutos
has_exact_synonym: h
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

day
type: Class
subclass of: time unit
definition: A time unit which is equal to 24 hours.
id: UO:0000033
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

week
type: Class
subclass of: time unit
definition: A time unit which is equal to 7 days.
id: UO:0000034
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

month
type: Class
subclass of: time unit
definition: A time unit which is approximately equal to the length of time of one of cycle of the moon's phases which in science is taken to be equal to 30 days.
id: UO:0000035
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

year
type: Class
subclass of: time unit
definition: A time unit which is equal to 12 months which in science is taken to be equal to 365.25 days.
id: UO:0000036
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

concentration unit
type: Class
definition: A unit which represents a standard measurement of how much of a given substance there is mixed with another substance.
id: UO:0000051
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

rotational frequency unit
type: Class
subclass of: frequency unit
definition: A unit which is a standard measure of the number of rotations in a given time.
id: UO:0000058
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

unit of molarity
type: Class
subclass of: concentration unit
definition: A concentration unit which is a standard measure of the number of moles of a given substance per liter of solution.
id: UO:0000061
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

molar
type: Class
subclass of: unit of molarity
definition: A unit of concentration which expresses a concentration of 1 mole of solute per liter of solution (mol/L).
has_exact_synonym: M
id: UO:0000062
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

millimolar
type: Class
subclass of: unit of molarity
definition: A unit of molarity which is equal to one thousandth of a molar or 10^[-3] M.
id: UO:0000063
created by: george gkoutos
has_exact_synonym: mM
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

micromolar
type: Class
subclass of: unit of molarity
definition: A unit of molarity which is equal to one millionth of a molar or 10^[-6] M.
id: UO:0000064
created by: george gkoutos
has_exact_synonym: uM
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

nanomolar
type: Class
subclass of: unit of molarity
definition: A unit of molarity which is equal to one thousandth of one millionth of a molar or 10^[-9] M.
id: UO:0000065
created by: george gkoutos
has_exact_synonym: nM
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

picomolar
type: Class
subclass of: unit of molarity
definition: A unit of molarity which is equal to 10^[-12] M.
id: UO:0000066
created by: george gkoutos
has_exact_synonym: pM
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

femtomolar
type: Class
subclass of: unit of molarity
definition: A unit of molarity which is equal to 10^[-15] M.
id: UO:0000073
has_exact_synonym: fM
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

turns per second
type: Class
subclass of: rotational frequency unit
has_exact_synonym: 1/s
definition: A rotational frequency unit which is equal to the number complete turn in a period of time that equals to 1 second.
id: UO:0000092
created by: george gkoutos
has_narrow_synonym: one turn per second
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

frequency unit
type: Class
definition: A unit which is a standard measure of the number of repetitive actions in a particular time.
id: UO:0000105
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

hertz
type: Class
subclass of: frequency unit
definition: A frequency unit which is equal to 1 complete cycle of a recurring phenomenon in 1 second.
has_exact_synonym: Hz
id: UO:0000106
created by: george gkoutos
has_exact_synonym: s^1
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

nanosecond
type: Class
subclass of: time unit
definition: A time unit which is equal to one thousandth of one millionth of a second or 10^[-9] s.
id: UO:0000150
created by: george gkoutos
has_exact_synonym: ns
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

century
type: Class
subclass of: time unit
definition: A time unit which is equal to 100 years.
id: UO:0000151
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

half life
type: Class
subclass of: time unit
definition: A time unit which represents the period over which the activity or concentration of a specified chemical or element falls to half its original activity or concentration.
comment: Typically applied to the half life of radioactive atoms but also applicable to any other situation where the population is of molecules of diminishing concentration or activity.
id: UO:0000152
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

mass percentage
type: Class
subclass of: concentration unit
definition: A dimensionless concentration unit which denotes the mass of a substance in a mixture as a percentage of the mass of the entire mixture.
id: UO:0000163
created by: george gkoutos
has_obo_namespace: unit.ontology
has_exact_synonym: w/w
has_exact_synonym: weight-weight percentage
in_subset: unit slim
imported from: uo.owl

mass per unit volume
type: Class
subclass of: concentration unit
definition: A concentration unit which is a standard measure of the mass of a substance in a given volume (density).
comment: For units and further information look under the mass density unit. For a sample of a specific pure elemental substance, the concentration is directly proportional to the density. However, concentration is not proportional to density in general.
id: UO:0000180
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

dimensionless unit
type: Class
definition: A unit which is a standard measure of physical quantity consisting of only a numerical number without any units.
id: UO:0000186
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

percent
type: Class
subclass of: ratio
has_exact_synonym: %
definition: A dimensionless ratio unit which denotes numbers as fractions of 100.
id: UO:0000187
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

ratio
type: Class
subclass of: dimensionless unit
definition: A dimensionless unit which denotes an amount or magnitude of one quantity relative to another.
id: UO:0000190
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

degree Fahrenheit
type: Class
subclass of: temperature unit
definition: A temperature unit which is equal to 5/9ths of a kelvin. Negative 40 degrees Fahrenheit is equal to negative 40 degrees Celsius.
has_exact_synonym: F
comment: In this scale, the freezing point of water is 32 degrees Fahrenheit and the boiling point is 212 degrees, placing the boiling and freezing points of water 180 degrees apart. -40 degrees Fahrenheit is equal to -40 degrees Celsius.
id: UO:0000195
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

pH
type: Class
subclass of: concentration unit
definition: A dimensionless concentration notation which denotes the acidity of a solution in terms of activity of hydrogen ions (H+).
id: UO:0000196
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

cell concentration unit
type: Class
subclass of: concentration unit
definition: A concentration unit which denotes the average cell number in a given volume.
id: UO:0000200
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

cells per milliliter
type: Class
subclass of: cell concentration unit
definition: A unit of cell concentration which is equal to one cell in a volume of 1 milliliter.
id: UO:0000201
has_exact_synonym: cells per millilitre
has_exact_synonym: cells per ml
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

catalytic (activity) concentration unit
type: Class
subclass of: concentration unit
definition: A concentration unit which is a standard measure of the amount of the action of a catalyst in a given volume.
id: UO:0000202
created by: george gkoutos
has_obo_namespace: unit.ontology
in_subset: unit group slim
imported from: uo.owl

katal per cubic meter
type: Class
subclass of: catalytic (activity) concentration unit
definition: A catalytic (activity) concentration unit which is equal to 1 katal activity of a catalyst in a given volume of one cubic meter.
id: UO:0000203
created by: george gkoutos
has_exact_synonym: kat/m^[3]
has_exact_synonym: katal per cubic metre
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

katal per liter
type: Class
subclass of: catalytic (activity) concentration unit
definition: A catalytic (activity) concentration unit which is equal to 1 katal activity of a catalyst in a given volume of one thousandth of a cubic meter.
id: UO:0000204
created by: george gkoutos
has_exact_synonym: kat/l
has_exact_synonym: katal per litre
has_obo_namespace: unit.ontology
in_subset: unit slim
imported from: uo.owl

cells per microliter
type: Class
subclass of: cell concentration unit
creation date: 2013-03-12T12:34:17Z
definition: A unit of cell concentration which is equal to one cell in a volume of 1 microliter.
id: UO:0000316
has_exact_synonym: cells per microlitre
has_exact_synonym: cells per ul
created by: gkoutos
has_obo_namespace: unit.ontology
imported from: uo.owl

cells per well
type: Class
subclass of: cell concentration unit
creation date: 2013-03-12T12:46:20Z
definition: A unit of cell concentration which is equal to 1 cell in a well or discrete container of arbitrary volume.
id: UO:0000317
created by: gkoutos
has_obo_namespace: unit.ontology
imported from: uo.owl