perilune
the point in the orbit of a heavenly body that is nearest to the moon.
Origin of perilune
1- Compare apolune.
Words Nearby perilune
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for perilune
/ (ˈpɛrɪˌluːn) /
the point in a lunar orbit when a spacecraft launched from the moon is nearest the moon: Compare apolune, pericynthion
Origin of perilune
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for perilune
[ pĕr′ĭ-lōōn′ ]
The point at which an object orbiting the Moon, such as an artificial satellite, is closest to the Moon's center.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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