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.
Its principal task was to show that the gravitational pull of the sun increased the wavelength of light rays, the so-called red shift, which would help verify Einstein’s theory of relativity.
From The Wall Street Journal ● Jul. 24, 2026
Then in 1915, Einstein used these ideas to build his general theory of relativity, describing gravity as curvature in the fabric of space-time.
From Slate ● Jun. 22, 2026
None of this endangers the mathematical theory of relativity or the empirical science that confirms it.
From Science Daily ● Jun. 8, 2026
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
This was the background against which he produced the special theory of relativity in 1905.
From "A Short History of Nearly Everything" by Bill Bryson
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.
