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cislunar

[ sis-loo-ner ]
/ sɪsˈlu nər /
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adjective Astronomy.

of or relating to the space between the earth and the orbit of the moon.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of cislunar

First recorded in 1865–70; cis- + lunar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for cislunar

  • To be held for the use of the Undersecretary for Cislunar Navigation incumbent in the year 2492.

British Dictionary definitions for cislunar

cislunar
/ (sɪsˈluːnə) /

adjective

of or relating to the space between the earth and the moonCompare translunar
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
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