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negate

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Negate is defined as to deny, to prove false or to cause something to not be needed.

(verb)

An example of to negate is to conduct a study to prove a theory false.
An example of to negate is for an umbrella to take away the need for a hood.

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See negate in Webster's New World College Dictionary

transitive verb negated, negating

to deny the existence or truth of
to make ineffective

Origin: < L negatus: see negation

Related Forms:

negator noun or negater

See negate in American Heritage Dictionary 4

transitive verb ne·gat·ed, ne·gat·ing, ne·gates

To make ineffective or invalid; nullify.
To rule out; deny. See Synonyms at deny.
Computer Science To perform the machine logic operation NOT gate.

Origin:

Origin: Latin negāre, negāt-, to deny; see ne in Indo-European roots

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Related Forms:

ne·gaˈtor, ne·gatˈer noun

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