Dictionary.com

relativistic

[ rel-uh-tuh-vis-tik ]
/ ˌrɛl ə təˈvɪs tɪk /
Save This Word!

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.

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of relativistic

First recorded in 1885–90; relativist + -ic
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. 2021

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
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
Learning At Home Just Got Easier!