negation

[ ni-gey-shuh n ]
/ nɪˈgeɪ ʃən /

noun

the act of denying: He shook his head in negation of the charge.
a denial: a negation of one's former beliefs.
something that is without existence; nonentity.
the absence or opposite of something that is actual, positive, or affirmative: Darkness is the negation of light.
a negative statement, idea, concept, doctrine, etc.; a contradiction, refutation, or rebuttal: a shameless lie that demands a negation.

Origin of negation

1375–1425; late Middle English < Latin negātiōn- (stem of negātiō) denial. See negate, -ion

OTHER WORDS FROM negation

ne·ga·tion·al, adjectivene·ga·tion·ist, nounnon·ne·ga·tion, nounre·ne·ga·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for negation

British Dictionary definitions for negation

negation
/ (nɪˈɡeɪʃən) /

noun

the opposite or absence of something
a negative thing or condition
the act or an instance of negating
logic
  1. the operator that forms one sentence from another and corresponds to the English not
  2. a sentence so formed. It is usually written –p, ~p, ̄p or ⇁ p, where p is the given sentence, and is false when the given sentence is true, and true when it is false
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

Medicine definitions for negation

negation
[ nĭ-gāshən ]

n.

A denial, contradiction, or negative statement.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.