いんりょくけん 引力圏 LinksSentence search for 引力圏Sentence search for いんりょくけんKanji details for 引, 力 and 圏Edit in JMdict Noun1. gravitational field (of a celestial body); sphere of gravitation; gravisphereAstronomy, See also 重力場 Discussions Log in to talk about this word.