theory of relativity theory of punctuated equilibrium • theory-based · · · Info · Definitions · Synonyms · Characters · · theory of relativity · · Text Common · · Latin · · Scripts 20 · · Length 9 · · Syllables Definitions · · · (noun) (physics) the theory that space and time are relative concepts rather than absolute concepts. Synonyms: relativity, theory of relativity, relativity theory, Einstein's theory of relativity. · · Noun Definition 1 Synonyms · · · relativity · · Synonym 1 relativity theory · · Synonym 2 einstein's theory of relativity · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F 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