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.
Let this lunation guide you toward experiences that ignite your spirit! Meghan Rose, Glamour, 1 July 2025 This lunation is here to remind you that discipline is divine, but so is celebration. Dossé-Via Trenou, Refinery29, 30 June 2025 This lunation sits directly across from the incoming Uranus cazimi in your partnerships sector, which technically peaks five days after the full moon. Nina Kahn, StyleCaster, 28 Apr. 2025 The vibrant lunation occurs two days after Jupiter, the planetary ruler of Sagittarius, shifts from Gemini to Cancer. Lisa Stardust, Vogue, 10 June 2025 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 10 Jul. 2025.

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