QED
1 Americanabbreviation
abbreviation
abbreviation
-
quod erat demonstrandum
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quantum electrodynamics
Etymology
Origin of Q.E.D.
First recorded in 1810–20, Q.E.D. is from Latin quod erat dēmōnstrandum
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.
In the electron's reference frame, the laser intensity appeared to be about 50% of the Schwinger limit, triggering nonlinear QED phenomena.
From Science Daily • Nov. 25, 2024
The attorney general accuses Steen and Fichtenbaum of ”backdoor ties” to QED.
From Seattle Times • May 24, 2024
"Any fintech with serious, long-term ambitions will likely have to find a way to become a bank," says Mike Packer, an investor at QED, a venture capital fund which has backed several lending fintechs.
From Reuters • Oct. 17, 2022
He might usefully have concluded his column with the letters we had to put next to solved mathematical equations: QED — quod erat demonstrandum — just to prove his point.
From Washington Post • Nov. 1, 2019
QED: quod erat demonstrandum, Latin for “which was to be demonstrated or proved.”
From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman
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.
