#pyrometer  a thermometer designed to measure high temperatures
  supertype:  thermometer  measuring instrument for measuring temperature
  subtype:  optical_pyrometer__opticalpyrometer__pyroscope  a pyrometer that uses the color of the light emitted by a hot object
  subtype:  pyrometric_cone  a pyrometer consisting of a series of cones that melt at different temperatures
  subtype:  radiation_pyrometer__radiationpyrometer  a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer
  subtype:  resistance_pyrometer  pyrometer that measures high temperatures by the resistance in a heated wire

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