principle of relativity principle of parsimony • principle of superposition · · · Info · Definitions · Characters · · principle of relativity · · Text Common · · Latin · · Scripts 23 · · Length 9 · · Syllables Definitions · · · (noun) (physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to which they are referred. Synonyms: principle of relativity. · · 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 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 p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079