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perilune

[per-i-loon]
noun
  1. the point in a lunar orbit that is nearest to the moon.
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Compare apolune.

Origin of perilune

1955–60; peri- + -lune < Latin lūna moon, on the model of perigee
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for perilune

perilune

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

perilune in Science

perilune

[pĕrĭ-lōōn′]
  1. The point at which an object orbiting the Moon, such as an artificial satellite, is closest to the Moon's center.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.