lunation

noun

lu·​na·​tion lü-ˈnā-shən How to pronounce lunation (audio)
: the period of time averaging 29 days, 12 hours, 44 minutes, and 2.8 seconds elapsing between two successive new moons

Examples of lunation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The moon will occult Mars on Jan. 13, a rare extraterrestrial event that coincides with the first full lunation of the year. Skyler Caruso, People.com, 12 Jan. 2025 This lunation may inspire a breakthrough in your creative or romantic life. Dossé-Via Trenou, refinery29.com, 26 Dec. 2024 Moons, too, have a significant effect on a person's zodiac sign (which is why horoscopes are always changing due to the various lunation that cycle each month). Skyler Caruso, People.com, 29 Dec. 2024 This lunation is ideal for making commitments and starting fresh. Valerie Mesa, People.com, 21 Dec. 2024 See all Example Sentences for lunation 

Word History

Etymology

Middle English lunacioun, borrowed from Anglo-French & Latin; Anglo-French lunaison, lunaciun, borrowed from Medieval Latin lūnātiōn-, lūnātiō, from Latin lūna "moon" + -ātiōn-, -ātiō -ation — more at lunar

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of lunation was in the 14th century

Dictionary Entries Near lunation

Cite this Entry

“Lunation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lunation. Accessed 21 Jan. 2025.

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