1 pyrophotometer | Definition of pyrophotometer

pyrophotometer

noun
py·​ro·​photometer | \ "+\

Definition of pyrophotometer

: 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

History and Etymology for pyrophotometer

pyr- + photometer

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