noun Aerospace.
the point in a lunar orbit that is farthest from the moon.
Compare perilune.

1965–70; apo- + -lune < Latin lūna moon, on the model of apogee, etc.

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World English Dictionary
apolune (ˈæpəˌluːn)
apocynthion Compare perilune the point in a lunar orbit when a spacecraft is at its greatest distance from the moon
[C20: from apo- + -lune, from Latin lūna moon]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
apolune   (āp'ə-ln')  Pronunciation Key 
The point at which an object orbiting the Moon, such as an artificial satellite, is farthest from the Moon's center.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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