Noun relativity has 1 sense
  1. relativity, theory of relativity, relativity theory, Einstein's theory of relativity - (physics) the theory that space and time are relative concepts rather than absolute concepts
    --1 is a kind of scientific theory
    --1 has particulars:
     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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