spectroheliograph

noun

spec·​tro·​he·​lio·​graph ˌspek-trō-ˈhē-lē-ə-ˌgraf How to pronounce spectroheliograph (audio)
: an apparatus for making spectroheliograms
spectroheliography
ˌspek-trō-ˌhē-lē-ˈä-grə-fē How to pronounce spectroheliograph (audio)
noun

Word History

Etymology

International Scientific Vocabulary

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of spectroheliograph was in 1892

Dictionary Entries Near spectroheliograph

spectroheliogram

spectroheliograph

spectroheliokinematograph

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Cite this Entry

“Spectroheliograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectroheliograph. Accessed 18 Dec. 2024.

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Britannica.com: Encyclopedia article about spectroheliograph

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