relativity

/ษนษ›lษ™หˆtษชvษจti/

IPA: /R EH0 L AH0 T IH1 V AH0 T IY0/

noun
  1. 1

    The state of being relative to something else.

  2. 2

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

  3. 3

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

Source: https://en.wiktionary.org/wiki/relativity