pyrometer Meaning, Definition & Usage
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noun a thermometer designed to measure high temperatures
WordNet
Py*rom"e*ter noun
Etymology
Definitions
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(Physics) An instrument used for measuring the expansion of solid bodies by heat. -
(Physics) An instrument for measuring degrees of heat above those indicated by the mercurial thermometer. ✍ 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.