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

International Scientific Vocabulary

First Known Use: 1841

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