Pyrometer

2 definitions found

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

  Pyrometer \Py*rom"e*ter\, n. [Pyro- + -meter: cf. F.
     pyrom[`e]tre.]
     1. (Physics) An instrument used for measuring the expansion
        of solid bodies by heat.
        [1913 Webster]
  


     2. (Physics) An instrument for measuring degrees of heat
        above those indicated by the mercurial thermometer.
        [1913 Webster]
  
     Note: It is usually constructed so as to register the change
           which the heat to be measured produces in the length of
           some expansible substance, as a metallic rod, or in the
           intensity of a thermo-electric current.
           [1913 Webster] Pyrometric

From WordNet (r) 2.0 [wn]:

  pyrometer
       n : a thermometer designed to measure high temperatures