English dictionary

Hint: In most browsers you can lookup any word by double click it.

English *noun*: theory of relativity
1.	theory of relativity (cognition) (physics) the theory that space and time are relative concepts rather than absolute concepts
		Synonyms	Einstein's theory of relativity, relativity, relativity theory
		Broader (hypernym)	scientific theory
		Narrower (hyponym)	Einstein's general theory of relativity, Einstein's special theory of relativity, general relativity, general relativity theory, general theory of relativity, special relativity, special relativity theory, special theory of relativity
		Domain category	natural philosophy, physics
		Domain category members	event

Recent queries