Also found in: Thesaurus, Acronyms, Idioms, Encyclopedia, Wikipedia.
Latin quod erat demonstrandum (which was to be demonstrated)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Logic) quod erat demonstrandum
2. (Mathematics) quod erat demonstrandum
3. (Atomic Physics) quantum electrodynamics
[(sense 1) Latin: which was to be shown or proved]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
which was to be shown or demonstrated (used esp. in mathematical proofs).
[1810–20; < Latin quod erat dēmōnstrandum]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Switch to new thesaurus
|Noun||1.||QED - a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons|
quantum field theory - the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
QEDABBR (Math) =quod erat demonstrandum → QED
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
QED[ˌkjuːiːˈdiː] abbr (=quod erat demonstrandum) → CQFD
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
QED[ˌkjuːiːˈdiː] abbr =quod erat demonstrandum → q.e.d.
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995