celestial mechanics celestial longitude • celestial navigation · · · Info · Definitions · Characters · · celestial mechanics · · Text Common · · Latin · · Scripts 19 · · Length 6 · · Syllables Definitions · · · (noun) the branch of astronomy concerned with the application of Newton's laws of motion to the motions of heavenly bodies. Synonyms: celestial mechanics. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074