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perilune

[ per-i-loon ]

noun

  1. the point in the orbit of a heavenly body that is nearest to the moon.

perilune

/ ˈpɛrɪˌluːn /

noun

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

perilune

/ pĕr′ĭ-lo̅o̅n′ /

  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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Word History and Origins

Origin of perilune1

First recorded in 1955–60; peri- + -lune, from Latin lūna “moon,” on the model of perigee

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Word History and Origins

Origin of perilune1

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

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