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.
This lunation will rock us to our core, urging us to define our futures. Lisa Stardust, Refinery29, 26 Mar. 2025 Once that lunation is out of the way, the moon will slip into your sign, locking itself into a beautiful Grand Trine on April 15 that involves red-hot Mars, romantic Venus, mental Mercury, serious Saturn, and the North Node of Destiny. Nina Kahn, StyleCaster, 24 Mar. 2025 The lunation will be visible in various locations with slight visibility across sections of North America, Europe, Africa, northern Asia, small parts of South America, Greenland, Iceland and the Atlantic and Arctic Oceans, per NASA. Skyler Caruso, People.com, 22 Mar. 2025 This month's lunation coincides with a partial eclipse, lasting approximately 246 minutes from start to finish Comments Oh my moon! Skyler Caruso, Peoplemag, 13 Sep. 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

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Cite this Entry

“Lunation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lunation. Accessed 31 Mar. 2025.

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