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WordNet-Online
Definitions from WordNet
Noun perilune has 1 sense
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Definitions from the WebPerilunenoun 1. The point in the orbit of a spacecraft or satellite at which it is closest to the moon. Sample Sentence: The spacecraft's perilune was a crucial moment during the lunar mission. noun 2. Astronomy: The point in the orbit of a satellite or a celestial body at which it is closest to the moon. Sample Sentence: The astronomers observed the moon during its perilune. noun 3. Navigation: The point of closest approach to the moon in an interplanetary trajectory. Sample Sentence: The space probe's perilune was carefully calculated to maximize its mission objectives. noun 4. Space Exploration: The closest distance between a spacecraft and the moon's surface. Sample Sentence: The lunar module prepared for landing as it reached perilune. | ||||
perilla perilla frutescens crispa perillo perillous perilous perilously perilousness perils perilune perilymph perimacula perimeter perimetere perimetter perimiter perin perinasal
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