pyrheliometer

noun

pyr·he·li·om·e·ter ˌpī(-ə)r-ˌhē-lē-ˈä-mə-tər

ˌpir-

: an instrument for measuring the sun's radiant energy as received at the earth

pyrheliometric

ˌpī(-ə)r-ˌhē-lē-ə-ˈme-trik

ˌpir-

adjective

Word History

Etymology

International Scientific Vocabulary

First Known Use

1841, in the meaning defined above

Time Traveler

The first known use of pyrheliometer was in 1841

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Pyrgus

pyrheliometer

pyrheliometry

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Cite this Entry

Style

“Pyrheliometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrheliometer. Accessed 3 Nov. 2025.

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