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

Word History


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

Cite this Entry

“Spectroheliograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectroheliograph. Accessed 24 May. 2024.

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