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validity definition

va·lid·ity (və lid′ə tē)

noun pl. validities -·ties

the state, quality, or fact of being valid in law or in argument, proof, authority, etc.

Etymology: Fr validité < L validitas, strength

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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