spectrohelioscope

noun

spec·​tro·​he·​lio·​scope ˌspek-trō-ˈhē-lē-ə-ˌskōp How to pronounce spectrohelioscope (audio)
1
2
: an instrument similar to a spectroheliograph used for visual as distinguished from photographic observations

Word History

Etymology

International Scientific Vocabulary

First Known Use

1906, in the meaning defined at sense 1

Time Traveler
The first known use of spectrohelioscope was in 1906

Dictionary Entries Near spectrohelioscope

Cite this Entry

“Spectrohelioscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrohelioscope. Accessed 28 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!