relativity theory

1. (physics) the theory that space and time are relative concepts rather than absolute concepts (synset 106116109)
   referred to in: natural philosophy, physics - the science of matter and energy and their interactions
   associated with: event - a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory
   is a type of: scientific theory - a theory that explains scientific observations
   subtypes:

   • einstein's general theory of relativity, general relativity, general relativity theory, general theory of relativity - a generalization of special relativity to include gravity (based on the principle of equivalence)
   • einstein's special theory of relativity, special relativity, special relativity theory, special theory of relativity - a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems
   same as: einstein's theory of relativity, relativity, theory of relativity

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