lu·​na·​tion | \ lü-ˈnā-shən How to pronounce lunation (audio) \

Definition of lunation

: 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

If things have felt foggy and unclear, your path will surely be illuminated during this electric lunation. Aliza Kelly Faragher, Allure, "What June's Capricorn Horoscope Means for You," 29 May 2018 This is a very positive lunation for you, Gemini darling, so be sure to take advantage of this auspicious occasion. Aliza Kelly Faragher, Allure, "What October's Gemini Horoscope Means for You," 30 Sep. 2018 Within your chart, this lunation will be activating your creativity zone. Aliza Kelly Faragher, Allure, "What November's Aquarius Horoscope Means for You," 28 Oct. 2018 The moon is connected to our inner world, so the celestial satellite's lunation guides our emotional experiences. Aliza Kelly Faragher, Allure, "What Your Sign's May 2018 Horoscope Predictions Mean for You," 26 Apr. 2018 On Monday, October 8, a new moon in Libra activates the area of your chart connected to personal finances, and since this lunation corresponds with beginnings, this is an excellent day for a money manifestation ritual. Aliza Kelly Faragher, Allure, "What October's Virgo Horoscope Means for You," 30 Sep. 2018 Whether it’s money, love, or something in between, this lunation will help kick-start action. Aliza Kelly Faragher, Allure, "What November's Cancer Horoscope Means for You," 28 Oct. 2018 On Wednesday, October 24, the night sky will be electrified by this lunation. Aliza Kelly Faragher, Allure, "What October's Taurus Horoscope Means for You," 30 Sep. 2018 As the mysterious moon projects light into the darkness, this lunation always exposes whatever has been buried. Aliza Kelly Faragher, Allure, "What August's Sagittarius Horoscope Means for You," 30 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lunation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of lunation

14th century, in the meaning defined above

History and Etymology for lunation

Middle English lunacioun, from Anglo-French lunaison, from Medieval Latin lunation-, lunatio, from Latin luna

Keep scrolling for more

Learn More about lunation

Dictionary Entries near lunation



lunatic fringe




lunch box

Statistics for lunation

Last Updated

16 Jul 2019

Look-up Popularity

Time Traveler for lunation

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

See more words from the same century

More from Merriam-Webster on lunation

Rhyming Dictionary: Words that rhyme with lunation

Comments on lunation

What made you want to look up lunation? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!