QED


abbreviationPhysics.

Other definitions for Q.E.D. (2 of 2)

Q.E.D.

abbreviation
  1. which was to be shown or demonstrated (used especially in mathematical proofs).

Origin of Q.E.D.

2
First recorded in 1810–20, Q.E.D. is from Latin quod erat dēmōnstrandum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for QED

QED

abbreviation for
  1. quod erat demonstrandum

  2. quantum electrodynamics

Origin of QED

1
(sense 1) Latin: which was to be shown or proved

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