First Known Use: 1841
Dictionary
pyrheliometer
noun pyr·he·li·om·e·ter \ˌpī(-ə)r-ˌhē-lē-ˈä-mə-tər, ˌpir-\
Definition of PYRHELIOMETER
: an instrument for measuring the sun's radiant energy as received at the earth
— pyr·he·lio·met·ric \-lē-ə-ˈme-trik\ adjective
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Origin of PYRHELIOMETER
International Scientific Vocabulary
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