pyranometer

noun

pyra·​nom·​e·​ter

ˌpirəˈnämətə(r),

ˌpīr-

: an instrument for measuring radiation from the sky by comparing the heating effect of such radiation upon two blackened metallic strips with that produced in the same strips when heated by means of an electric current

Word History

Etymology

International Scientific Vocabulary pyr- + ano- + -meter

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