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Related to perilune: apolune


The point in an orbit around the moon where the orbiting body is closest to the moon.

[peri- + Latin lūna, moon; see lune.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Astronautics) the point in a lunar orbit when a spacecraft launched from the moon is nearest the moon. Compare apolune, pericynthion
[C20: from peri- + -lune, from Latin lūna moon]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈpɛr ɪˌlun)

the point in a lunar orbit that is nearest to the moon.
[1955–60; peri- + -lune < Latin lūna moon]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


in orbit around a moon, the point nearest the moon. Cf. apolune.
See also: Astronomy
the closest point to the moon in a lunar orbit, as that of a spacecraft. Also called pericynthion.
See also: Planets
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.perilune - periapsis in orbit around the moon
periapsis, point of periapsis - (astronomy) the point in an orbit closest to the body being orbited
apolune, aposelene - apoapsis in orbit around the moon
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Over the last two quarters, Perilune has purchased a fleet of widebody aircraft valued on lease to major domestic and international airlines and is in the process of closing on a second fleet of aircraft with a strategic partner, the company said.
Perilune Group Announces Restructuring & Expanded Global Investments Through Perilune Capital
The initial distance of Luna 10 from the lunar surface was 350 km at perilune and 1015 km at apolune, and it transmitted its own signal until May 30, 1966.