Dictionaryper•i•geePronunciation: (per'i-jē"), [key] —n. Astron. the point in the orbit of a heavenly body, esp. the moon, or of an artificial satellite at which it is nearest to the earth. See diag. under apogee. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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