さようはんさようほうそく 作用反作用の法則 LinksSentence search for 作用反作用の法則Sentence search for さようはんさようのほうそくKanji details for 作, 用, 反, 法 and 則Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. action-reaction law; Newton's third law of motionPhysics, See also 運動の法則 Discussions Log in to talk about this word.