biorhythm(redirected from biologic rhythm)
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biorhythm:see rhythm, biologicalrhythm, biological,
cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the environment.
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A biologically inherent cyclic variation or recurrence of an event or state, such as a sleep cycle or circadian rhythm.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
a cyclically recurring pattern of physiological states in an organism or organ, such as alpha rhythm or circadian rhythm; believed by some to affect physical and mental states and behaviour
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005