Definitions for relativityˌrɛl əˈtɪv ɪ ti

This page provides all possible meanings and translations of the word relativity

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. relativity, theory of relativity, relativity theory, Einstein's theory of relativity(noun)

    (physics) the theory that space and time are relative concepts rather than absolute concepts

  2. relativity(noun)

    the quality of being relative and having significance only in relation to something else

GCIDERate this definition:(0.00 / 0 votes)

  1. relativity(n.)

    One of two theories (also called theory of relativity) proposed by Albert Einstein, the special theory of relativity, or the general theory of relativity. The special theory of relativity or special relativity is based on the proposition that the speed of light is a constant no matter how observed, and is independent of the motion of the observer. From this follows several principles, such as the increase of mass with velocity (which has been confirmed: see relativistic mass equation) and the impossibility of acceleration to a speed greater than that of light; the equivalence of mass and energy, expressed by the famous equation E = mc2; and time dilation, which is the apparent slowing of a clock in a system, as observed by an observer in a system moving relative to the clock. The general theory of relativity is based on the proposition that there is no physical difference between gravitational force and the force produced by acceleration. From this follow several results, of which the bending of light rays in a gravitational field and the equivalence of the inertial and gravitational masses have been verified. The possible existence of black holes (believed by many astronomers to have been adequately proven) is another consequence of the theory.

WiktionaryRate this definition:(0.00 / 0 votes)

  1. relativity(Noun)

    The state of being relative to something else.

  2. relativity(Noun)

    The principle that the laws of physics should be the same for all observers.

  3. relativity(Noun)

    Either of two theories (special relativity or general relativity) developed by German-American physicist Albert Einstein. Also called Einsteinian relativity.

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Relativity(noun)

    the state of being relative; as, the relativity of a subject

FreebaseRate this definition:(0.00 / 0 votes)

  1. Relativity

    "Relativity" is the 118th episode of the science fiction television series Star Trek: Voyager, the 24th episode of the fifth season. Overview: Seven of Nine is recruited from the future to prevent the present-time destruction of her ship.


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