theory of relativity
Americannoun
Etymology
Origin of theory of relativity
First recorded in 1960–65
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This streamlined version—co-written with Leonard Mlodinow, a physicist and popular-science author—retains explanations of vital topics, such as the curvature of spacetime and Einstein’s theory of relativity, but dispenses with the drier sections.
From The Wall Street Journal • May 19, 2026
Today's standard picture of the universe is built on Einstein's general theory of relativity and the standard model of particle physics.
From Science Daily • Jan. 11, 2026
Then, Albert Einstein solved the tension by coming up with the theory of relativity, which explains how massive objects cause distortions in spacetime.
From Salon • Dec. 9, 2024
Wigner realized that using principles derived from Albert Einstein's theory of relativity, he could describe all the possible elementary particles in the universe, even those that hadn't been discovered yet.
From Science Daily • May 23, 2024
Finally, in 1915, he proposed what we now call the general theory of relativity.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
