lunation

noun

lu·​na·​tion lü-ˈnā-shən 

: 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

Here's what the stars have in store for your zodiac sign around May's full moon, according to celebrity astrologer Kyle Thomas' PEOPLE exclusive readings Comments Spring is in the air, and so is another exciting lunation! —Skyler Caruso, People.com, 10 May 2025

The only way to get through the lunation is to focus on what is truly important to us on a fundamental level. —Lisa Stardust, Refinery29, 8 May 2025

This lunation can also help you in shedding whatever (or whoever) is holding you back from professional success. —Meghan Rose, Glamour, 1 May 2025

The new moon in your sign the following day gives you a beautiful opportunity to make your most creative wishes come true, so use this lucky lunation to get creative and put your ideas in motion. —Nina Kahn, StyleCaster, 28 Apr. 2025

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

Rhymes for lunation

• ablation
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation
• collation