spectrohelioscope

noun
spec·​tro·​he·​lio·​scope | \ ˌspek-trō-ˈhē-lē-ə-ˌskōp How to pronounce spectrohelioscope (audio) \

Definition of spectrohelioscope

2 : an instrument similar to a spectroheliograph used for visual as distinguished from photographic observations

First Known Use of spectrohelioscope

1906, in the meaning defined at sense 1

History and Etymology for spectrohelioscope

International Scientific Vocabulary

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Time Traveler for spectrohelioscope

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The first known use of spectrohelioscope was in 1906

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Cite this Entry

“Spectrohelioscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrohelioscope. Accessed 30 Sep. 2020.

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