pyrometer : Idioms & Phrases
optical pyrometer
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noun a pyrometer that uses the color of the light emitted by a hot object
pyroscope.
WordNet
radiation pyrometer
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noun a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer
WordNet
resistance pyrometer
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noun pyrometer that measures high temperatures by the resistance in a heated wire
