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Webster's New World College Dictionary » biorhythm
biorhythm
biorhythm definition
bio·rhythm (bī′ō rit̸h′əm)
noun
any biological cycle that involves periodic changes in blood pressure, body temperature, etc.: analyzed by some to predict behavior, temperament, etc.
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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