QED
Other definitions for Q.E.D. (2 of 2)
Q.E.D.
abbreviation
which was to be shown or demonstrated (used especially in mathematical proofs).
Origin of Q.E.D.
2First 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. 2023
British Dictionary definitions for QED
QED
abbreviation for
quod erat demonstrandum
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
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