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tautology
tautology definition
tau·tol·ogy (tô täl′ə jē)
noun pl. tautologies -·gies
- needless repetition of an idea in a different word, phrase, or sentence; redundancy; pleonasm (Ex.: “necessary essentials”)
- an instance of such repetition
- Logic a proposition that is analytic (sense )
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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