law of action and reaction lawny • law of archimedes · · · Info · Definitions · Synonyms · Characters · · law of action and reaction · · Text Common · · Latin · · Scripts 26 · · Length 8 · · Syllables Definitions · · · (noun) action and reaction are equal and opposite. Synonyms: third law of motion, Newton's third law of motion, Newton's third law, law of action and reaction. · · Noun Definition 1 Synonyms · · · third law of motion · · Synonym 1 newton's third law of motion · · Synonym 2 newton's third law · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077