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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

ne·ga·tion

Audio Help [ni-gey-shuh

n] Pronunciation Key

–noun

1.	the act of denying: He shook his head in negation of the charge.

2.	a denial: a negation of one's former beliefs.

3.	something that is without existence; nonentity.

4.	the absence or opposite of something that is actual, positive, or affirmative: Darkness is the negation of light.

5.	a negative statement, idea, concept, doctrine, etc.; a contradiction, refutation, or rebuttal: a shameless lie that demands a negation.

[Origin: 1375–1425; late ME < L negātiōn- (s. of negātiō) denial. See negate, -ion

]

—Related forms

ne·ga·tion·al, adjective

ne·ga·tion·ist, noun

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Negation

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American Heritage Dictionary - Cite This Source - Share This

ne·ga·tion Audio Help (nĭ-gā'shən) Pronunciation Key
n.

The act or process of negating.
A denial, contradiction, or negative statement.
The opposite or absence of something regarded as actual, positive, or affirmative.

ne·ga'tion·al adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
negation

1530, from M.Fr. negation, from L. negationem (nom. negatio) "denial," from negatus, pp. of negare "deny, say no" (see deny). The verb negate (1623) is a back-formation.

WordNet - Cite This Source - Share This

negation
noun
1.	a negative statement; a statement that is a refusal or denial of some other statement
2.	the speech act of negating
3.	(logic) a proposition that is true if and only if another proposition is false

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

negation

Af`fir*ma"tion\, n. [L. affirmatio: cf. F. affirmation.]

1. Confirmation of anything established; ratification; as, the affirmation of a law. --Hooker.

2. The act of affirming or asserting as true; assertion; -- opposed to negation or denial.

3. That which is asserted; an assertion; a positive statement; an averment; as, an affirmation, by the vender, of title to property sold, or of its quality.

4. (Law) A solemn declaration made under the penalties of perjury, by persons who conscientiously decline taking an oath, which declaration is in law equivalent to an oath. --Bouvier.

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