Definition of SELENOLOGY (original) (raw)

: a branch of astronomy that deals with the moon

Examples of selenology in a Sentence

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The study of the moon is selenology, thanks to the Greek goddess Selene; her Roman counterpart was Luna. —Korey Haynes, Discover Magazine, 12 June 2019

Word History

First Known Use

1821, in the meaning defined above

Time Traveler

The first known use of selenology was in 1821

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Cite this Entry

“Selenology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/selenology. Accessed 18 May. 2026.

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