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pyranometer

noun pyra·nom·e·ter \ ˌpirəˈnämətə(r) , ˌpīr- \
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Definition of pyranometer

: 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

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Origin and Etymology of pyranometer

International Scientific Vocabulary pyr- + ano- + -meter

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