Units Extension
comment: Deprecated in favour of <http://eulersharp.sourceforge.net/2003/03swap/units#>
type: Ontology
creator: Pieterjan De Potter, Pedro Debevere, Ghent University - IBBT/ELIS - Multimedia Lab/Belgium
contributor: Hans Cools, MD, Agfa Healthcare, Belgium
publisher: Agfa Healthcare, Belgium
description: Formal description of units, as an extension of NASA's sciUnits ontology.
format: OWL Full

deci
type: Prefix
has symbol: d
has value: 1e-01

pico
type: Prefix
has symbol: p
has value: 1e-12

femto
type: Prefix
has symbol: f
has value: 1e-15

atto
type: Prefix
has symbol: a
has value: 1e-18

zepto
type: Prefix
has symbol: z
has value: 1e-21

yocto
type: Prefix
has symbol: y
has value: 1e-24

meter
definition: The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.
subclass of: meter
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length

Concept
in scheme: sct20080731
notation: 258669008

decimeter
type: Unit
type: UnitDerivedByScaling
derived from unit: meter
has prefix: deci
has symbol: dm
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length

Concept
in scheme: sct20080731
notation: 258671008

centimeter
subclass of: centimeter
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length
has symbol: cm

Concept
in scheme: sct20080731
notation: 258672001

millimeter
subclass of: millimeter
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length
has symbol: mm

Concept
in scheme: sct20080731
notation: 258673006

micrometer
subclass of: micrometer
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length
has symbol: µm

Concept
in scheme: sct20080731
notation: 258674000

nanometer
subclass of: nanometer
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length
has symbol: nm

Concept
in scheme: sct20080731
notation: 258675004

picometer
type: UnitDerivedByScaling
derived from unit: meter
has prefix: pico
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Length
has symbol: pm

kilogram
definition: The kilogram is the unit of mass; it is equal to the mass of the international prototype of the kilogram.
subclass of: kilogram
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Mass

Concept
in scheme: sct20080731
notation: 258683005

gram
type: UnitDerivedByScaling
derived from unit: kilogram
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Mass
has symbol: g

Concept
in scheme: sct20080731
notation: 258682000

milligram
type: Class
type: UnitDerivedByScaling
derived from unit: gram
has prefix: milli
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Mass
has symbol: mg

Concept
in scheme: sct20080731
notation: 258684004

microgram
type: Class
type: UnitDerivedByScaling
derived from unit: gram
has prefix: micro
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Mass
has symbol: µg

Concept
in scheme: sct20080731
notation: 258685003

nanogram
type: Class
type: UnitDerivedByScaling
derived from unit: gram
has prefix: nano
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Mass
has symbol: ng

Concept
in scheme: sct20080731
notation: 258686002

picogram
type: Class
type: UnitDerivedByScaling
derived from unit: gram
has prefix: pico
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Mass
has symbol: pg

Concept
in scheme: sct20080731
notation: 258687006

second
definition: 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.
subclass of: second
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time

Concept
in scheme: sct20080731
notation: 257997001

millisecond
type: Class
type: UnitDerivedByScaling
derived from unit: second
has prefix: milli
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time
has symbol: ms

Concept
in scheme: sct20080731
notation: 258697002

minute
has symbol: min
subclass of: minute
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time

Concept
in scheme: sct20080731
notation: 258701004

hour
has symbol: h
subclass of: hour
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time

Concept
in scheme: sct20080731
notation: 258702006

day
type: UnitDerivedByScaling
derived from unit: second
has scaling number: 86400.0e+00
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time
has symbol: d

Concept
in scheme: sct20080731
notation: 258703001

week
subclass of: week
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time

Concept
in scheme: sct20080731
notation: 258705008

month
subclass of: month
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time
has symbol: m

Concept
in scheme: sct20080731
notation: 258706009

year
subclass of: year
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Time
has symbol: y

Concept
in scheme: sct20080731
notation: 258707000

mole
subclass of: mole
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: AmountOfSubstance
definition: The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is “molâ€?

Concept
in scheme: sct20080731
notation: 258717005

millimole
type: UnitDerivedByScaling
derived from unit: mole
has prefix: milli
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: AmountOfSubstance
has symbol: mmol

Concept
in scheme: sct20080731
notation: 258718000

micromole
type: UnitDerivedByScaling
derived from unit: mole
has prefix: micro
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: AmountOfSubstance
has symbol: µmol

Concept
in scheme: sct20080731
notation: 258719008

kelvin
subclass of: kelvin
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Temperature

Concept
in scheme: sct20080731
notation: 258713009

degree Celsius
subclass of: degreeC
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Temperature

Concept
in scheme: sct20080731
notation: 258712007

degree Fahrenheit
subclass of: degreeF
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Temperature

Concept
in scheme: sct20080731
notation: 258712004

cubic meter
has symbol: m^3
subclass of: meterCubed
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume

Concept
in scheme: sct20080731
notation: 396154006

cubic decimeter
type: UnitDerivedByRaisingToPower
derived from unit: decimeter
has power: 3
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
equivalent class: liter
has symbol: dm^3

Concept
in scheme: sct20080731
notation: 258770004

cubic centimeter
type: UnitDerivedByRaisingToPower
derived from unit: centimeter
has power: 3
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
has symbol: cm^3
has symbol: cc

Concept
in scheme: sct20080731
notation: 258773002

liter
type: Class
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
equivalent class: cubic decimeter
has symbol: L

Concept
in scheme: sct20080731
notation: 258770004

deciliter
type: UnitDerivedByScaling
derived from unit: liter
has prefix: deci
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
has symbol: dL

Concept
in scheme: sct20080731
notation: 258771000

centiliter
type: UnitDerivedByScaling
derived from unit: liter
has prefix: centi
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
has symbol: cL

Concept
in scheme: sct20080731
notation: 258772007

milliliter
type: UnitDerivedByScaling
derived from unit: liter
equivalent class: cubic centimeter
has prefix: milli
has symbol: mL
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume

Concept
in scheme: sct20080731
notation: 258773002

femtoliter
type: UnitDerivedByScaling
derived from unit: liter
has prefix: femto
has symbol: fL
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume

teaspoon
type: UnitDerivedByScaling
definition: Content of a teaspoon as unit of volume.
comment: Equals 5ml, e.g. of a clinical drug administration form sirup.
derived from unit: milliliter
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
has symbol: tsp

tablespoon
type: UnitDerivedByScaling
definition: Content of a tablespoon as unit of volume.
comment: Equals 15ml, e.g. of a clinical drug administration form sirup.
derived from unit: milliliter
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Volume
has symbol: tbs

pascal
subclass of: pascal
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Pressure

Concept
in scheme: sct20080731
notation: 259016002

millimeter of mercury
type: UnitDerivedByScaling
comment: 760 mmHg corresponds with 101.325 kPa.
derived from unit: pascal
has scaling number: 133.322
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Pressure
has symbol: mmHg

Concept
in scheme: sct20080731
notation: 259018001

percent
definition: Unit of ratio with base (denominator) 100.
subclass of: percent
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Percentage
has symbol: %

Concept
in scheme: sct20080731
notation: 118582008

hertz
definition: Number of cycles per second.
note: SI unit of frequency.
derived from unit: second
has power: -1.0e+00
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Frequency
has symbol: Hz

Concept
in scheme: sct20080731
notation: 259025008

per minute
type: UnitDerivedByRaisingToPower
definition: Number of cycles per minute.
comment: E.g. unit for the frequency of respiration cycle, heart pumping cycle.
subclass of: Restriction
  on property: derivedFromUnit
  some values from: minute
  has power: -1.0e+00
subclass of: Restriction
  on property: derivedFromUnit
  some values from: hertz
  has scaling number: 60
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Frequency
has symbol: 1/min

Concept
in scheme: sct20080731
notation: 286549009

per hour
type: UnitDerivedByRaisingToPower
definition: Number of cycles per hour.
subclass of: Restriction
  on property: derivedFromUnit
  some values from: hour
  has power: -1.0e+00
subclass of: Restriction
  on property: derivedFromUnit
  some values from: per minute
  has scaling number: 60
subclass of: Restriction
  on property: derivedFromUnit
  some values from: hertz
  has scaling number: 3600
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Frequency
has symbol: 1/h

per day
type: UnitDerivedByRaisingToPower
definition: Number of cycles per day.
comment: E.g. unit for the frequency of clinical drug administration.
subclass of: Restriction
  on property: derivedFromUnit
  some values from: day
  has power: -1.0e+00
subclass of: Restriction
  on property: derivedFromUnit
  some values from: hertz
  has scaling number: 86400
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Frequency
has symbol: 1/day

per year
type: UnitDerivedByRaisingToPower
definition: Number of cycles per year.
comment: E.g. unit for the frequency of clinical vaccination.
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Frequency
has symbol: 1/year

bit
type: Unit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: DigitalSize
has symbol: b
definition: Basic unit of information storage and communication in digital computing and digital information theory. A binary digit, takes a value of either 0 or 1.

byte
type: UnitDerivedByScaling
derived from unit: bit
has scaling number: 8
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: DigitalSize
has symbol: B
definition: Eight bits

kiloByte
type: UnitDerivedByScaling
derived from unit: byte
has prefix: kilo
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: DigitalSize
has symbol: KB

megaByte
type: UnitDerivedByScaling
derived from unit: byte
has prefix: mega
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: DigitalSize
has symbol: MB

gigaByte
type: UnitDerivedByScaling
derived from unit: byte
has prefix: giga
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: DigitalSize
has symbol: GB

teraByte
type: UnitDerivedByScaling
derived from unit: byte
has prefix: tera
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: DigitalSize
has symbol: TB

ohm
definition: 1 ohm is the resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces in the conductor a current of 1 ampere, the conductor not being the seat of any electromotive force.
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: ElectricalResistance

Concept
in scheme: sct20080731
notation: 282140003

per liter
type: UnitDerivedByRaisingToPower
derived from unit: liter
has power: -1.0e+00
has symbol: 1/L

per deciliter
type: UnitDerivedByRaisingToPower
derived from unit: deciliter
has power: -1.0e+00
has symbol: 1/dL

per milliliter
type: UnitDerivedByRaisingToPower
derived from unit: milliliter
has power: -1.0e+00
has symbol: 1/mL

Concept
in scheme: sct20080731
notation: 259035002

per teaspoon
type: UnitDerivedByRaisingToPower
derived from unit: teaspoon
has power: -1.0e+00
has symbol: 1/tsp

per kilogram
subclass of: perKilogram
has symbol: 1/g

per gram
type: UnitDerivedByRaisingToPower
derived from unit: gram
has power: -1.0e+00
has symbol: 1/g

units per liter
type: ComplexUnit
has symbol: U/L

Concept
in scheme: sct20080731
notation: 258947003

nanogram per milliliter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: nanogram
product of: per milliliter
has symbol: ng/mL

Concept
in scheme: sct20080731
notation: 258806002

microgram per milliliter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: microgram
product of: per milliliter
has symbol: µg/mL

Concept
in scheme: sct20080731
notation: 258801007

milligramPerLiter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: milligram
product of: per liter
has symbol: mg/L

milligramPerMilliliter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: milligram
product of: per milliliter
has symbol: mg/mL

milligram per deciliter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: milligram
product of: per deciliter
has symbol: mg/dL

Concept
in scheme: sct20080731
notation: 258797006

gram per deciliter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: gram
product of: per deciliter
has symbol: g/dL

Concept
in scheme: sct20080731
notation: 258795003

gram per liter
type: ComplexUnit
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: MassConcentration
product of: gram
product of: per liter
has symbol: g/L

Concept
in scheme: sct20080731
notation: 258794004

micromole per liter
type: ComplexUnit
product of: micromole
product of: per liter
has symbol: µmol/L

Concept
in scheme: sct20080731
notation: 258814008

millimole per liter
type: ComplexUnit
product of: millimole
product of: per liter
has symbol: mmol/L

Concept
in scheme: sct20080731
notation: 258813002

units per milliliter
type: ComplexUnit
has symbol: U/ml

international units per milliliter
type: ComplexUnit
has symbol: IU/ml

microgram per kilogram
type: ComplexUnit
product of: microgram
product of: perKilogram
has symbol: µg/kg

Concept
in scheme: sct20080731
notation: 258803005

milligram per kilogram
type: ComplexUnit
product of: milligram
product of: perKilogram
has symbol: mg/kg

Concept
in scheme: sct20080731
notation: 396163008

milligram per gram
type: ComplexUnit
product of: milligram
product of: per gram
has symbol: mg/g

meter per second
subclass of: meterPerSecond
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Velocity
has symbol: m/s

Concept
in scheme: sct20080731
notation: 272090007

centimeter per second
type: ComplexUnit
product of: centimeter
product of: perSecond
subclass of: Restriction
  on property: unitOf
  some values from: Restriction
    on property: measurementOf
    some values from: Velocity
has symbol: cm/s

Concept
in scheme: sct20080731
notation: 258990002

kilogram per square meter
has symbol: kg/m2

Concept
in scheme: sct20080731
notation: 258896009

microgram per minute
type: ComplexUnit
product of: microgram
product of: per minute
has symbol: µg/min

Concept
in scheme: sct20080731
notation: 258837002

milliliter per minute
type: ComplexUnit
product of: milliliter
product of: per minute
has symbol: mL/min

Concept
in scheme: sct20080731
notation: 258859000

milligram per hour
type: ComplexUnit
product of: milligram
product of: per hour
has symbol: mg/h

Concept
in scheme: sct20080731
notation: 258834009

milliliter per kilogram per hour
type: ComplexUnit
product of: milliliter
product of: per kilogram
product of: per hour
has symbol: mL/kg/h

Concept
in scheme: sct20080731
notation: 414739003

microgramPerKilogramPerMinute
type: ComplexUnit
product of: microgram
product of: per kilogram
product of: per minute
has symbol: µg/kg/min