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interlunation

American  
[in-ter-loo-ney-shuhn] / ˌɪn tər lʊˈneɪ ʃən /

noun

  1. the interlunar period.

interlunation British  
/ ˌɪntəlʊˈneɪʃən /

noun

  1. the period between the old and new moons during which the moon is invisible See new moon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • interlunar adjective

Etymology

Origin of interlunation

First recorded in 1805–15; inter- + lunation

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.