Akademik

theory of relativity
noun
(physics) the theory that space and time are relative concepts rather than absolute concepts
Syn: ↑relativity, ↑relativity theory, ↑Einstein's theory of relativity
Derivationally related forms: ↑relativistic (for: ↑relativity)
Topics: ↑physics, ↑natural philosophy
Members of this Topic: ↑event
Hypernyms: ↑scientific theory
Hyponyms:
general relativity, ↑general theory of relativity, ↑general relativity theory, ↑Einstein's general theory of relativity, ↑special relativity, ↑special theory of relativity, ↑special relativity theory, ↑Einstein's special theory of relativity

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Physics.
relativity (def. 2).
[1960-65]

Useful english dictionary. 2012.