#temperature_unit__temperatureunit  a unit of measurement for temperature
  supertype:  #unit_of_measurement  #temperature (pm)
  subtype:  #degree.temperature_unit  a unit of temperature on a specified scale; "the game was played in spite of the 40-degree temperature"
     subtype:  #degree_Centigrade__degree_Celsius__C  a degree on the Centigrade scale of temperature
        subtype:  #standard_temperature  exactly zero degrees Centigrade
           subtype:  #STP__s.t.p.  standard temperature and pressure
     subtype:  #degree_Fahrenheit__F  a degree on the Fahrenheit scale of temperature
  subtype:  #millidegree  a unit of temperature equal to one-thousandth of a degree
  subtype:  #kelvin__K  the basic unit of thermodynamic temperature adopted under the System International d'Unites
  subtype:  #Rankine  a unit of temperature on the Rankine scale
  subtype:  #degree_day  a unit used in estimating fuel requirements for heating a building
  subtype:  pm#celsius__celsiu
  subtype:  pm#fahrenheit

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