Pyroscope

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pyroscope \Pyr"o*scope\, n. [Pyro- + -scope: cf. F. pyroscope.]
     (Physics)
     An instrument for measuring the intensity of heat radiating
     from a fire, or the cooling influence of bodies. It is a
     differential thermometer, having one bulb coated with gold or
     silver leaf. [R.]


     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  pyroscope
       n : a pyrometer that uses the color of the light emitted by a
           hot object [syn: {optical pyrometer}]