newtonian newton's third law of motion • newtonian mechanics · · · Info · Definitions · Characters · · newtonian · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a follower of Isaac Newton. Synonyms: Newtonian. · · Noun Definition 1 (adj) of or relating to or inspired by Sir Isaac Newton or his science. Synonyms: Newtonian. Example: "Newtonian physics." · · Adjective Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 w latin small letter w U+0077