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IQ definition

IQ (ī′kyo̵̅o̅′)

noun pl. IQ's

a number intended to indicate a person's level of intelligence: it is the mental age (as shown by intelligence tests) multiplied by 100 and divided by the chronological age

Etymology: < i(ntelligence) q(uotient)

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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