noun py·ro·photometer \"+\

Definition of pyrophotometer

  1. :  an optical pyrometer in which light from an incandescent body whose temperature is to be measured is passed through ruby glass and the red rays thus isolated are compared with those similarly received from a standard flame — compare pyrometer

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Origin and Etymology of pyrophotometer

pyr- + photometer

Seen and Heard

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a brief usually trivial fact

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