PYROMETER • DICCIONARIO INGLES.COM • Definition of Pyrometer

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noun

Pyrometer n.

(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. 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.

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Etymology of 'Pyrometer'

Collaborative International Dictionary of English 0.48

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"Pyrometer" Quotes from Famous Books

... piece must be at a uniform temperature before a correct reading can be obtained. This fact, together with the lost motion which is likely to exist in the mechanism connected to the pointer, makes the expansion pyrometer unreliable; it should be used only when its limitations are thoroughly understood and it should be carefully calibrated. Unless the brass and iron are known to be of the same temperature, its action will be anomalous: for instance, if it be allowed to cool after being exposed ...

— Steam, Its Generation and Use • Babcock & Wilcox Co.

Words linked to "Pyrometer" : radiation pyrometer, optical pyrometer, thermometer