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perilune

[ per-i-loon ]
/ ˈpɛr ɪˌlun /
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noun
the point in the orbit of a heavenly body that is nearest to the moon.
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Compare apolune.

Origin of perilune

First recorded in 1955–60; peri- + -lune, from Latin lūna “moon,” on the model of perigee
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for perilune

perilune
/ (ˈpɛrɪˌluːn) /

noun
the point in a lunar orbit when a spacecraft launched from the moon is nearest the moonCompare apolune, pericynthion

Word Origin for perilune

C20: from peri- + -lune, from Latin lūna 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

Scientific definitions for perilune

perilune
[ pĕrĭ-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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