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biorhythm

[ bahy-oh-rith-uhm ]
/ ˈbaɪ oʊˌrɪð əm /
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noun
Physiology. an innate periodicity in an organism's physiological processes, as sleep and wake cycles.
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Origin of biorhythm

First recorded in 1960–65; bio- + rhythm

OTHER WORDS FROM biorhythm

bi·o·rhyth·mic, adjectivebi·o·rhyth·mic·i·ty [bahy-oh-rith-mis-i-tee], /ˌbaɪ oʊ rɪðˈmɪs ɪ ti/, nounbi·o·rhyth·mist, bi·o·rhyth·mi·cist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use biorhythm in a sentence

British Dictionary definitions for biorhythm

biorhythm
/ (ˈbaɪəʊˌrɪðəm) /

noun
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

Derived forms of biorhythm

biorhythmic, adjectivebiorhythmically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for biorhythm

biorhythm
[ bīō-rĭð′əm ]

A recurring biological process, such as sleep, that is controlled by the circadian rhythms of an organism. See more at circadian rhythm.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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