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relativistic

[ rel-uh-tuh-vis-tik ]
/ ˌrɛl ə təˈvɪs tɪk /
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adjective
of or relating to relativity or relativism.
Physics.
  1. subject to the special or the general theory of relativity.
  2. (of a velocity) having a magnitude that is a significant fraction of the speed of light.
  3. (of a particle) having a relativistic velocity: radiation from relativistic electrons.
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Origin of relativistic

First recorded in 1885–90; relativist + -ic

OTHER WORDS FROM relativistic

rel·a·tiv·is·ti·cal·ly, adverbul·tra·rel·a·tiv·is·tic, adjectiveun·rel·a·tiv·is·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use relativistic in a sentence

British Dictionary definitions for relativistic

relativistic
/ (ˌrɛlətɪˈvɪstɪk) /

adjective
physics having or involving a speed close to that of light so that the behaviour is described by the theory of relativity rather than by Newtonian mechanicsa relativistic electron; a relativistic velocity
physics of, concerned with, or involving relativity
of or relating to relativism

Derived forms of relativistic

relativistically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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