biorhythm

American  

[bahy-oh-rith-uhm] / ˈbaɪ oʊˌrɪð əm /

noun

1. Physiology. an innate periodicity in an organism's physiological processes, as sleep and wake cycles.

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biorhythm British  

/ ˈbaɪəʊˌrɪðəm /

noun

1. 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

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biorhythm Scientific  

/ bī′ō-rĭth′əm /

1. A recurring biological process, such as sleep, that is controlled by the circadian rhythms of an organism.

2. See more at circadian rhythm

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Other Word Forms

• biorhythmic adjective
• biorhythmically adverb
• biorhythmicist noun
• biorhythmicity noun
• biorhythmist noun

Etymology

Origin of biorhythm

First recorded in 1960–65; bio- + rhythm

Example Sentences

There have been times in practice when Gilmer’s biorhythm monitors prompted coaches to make him take a couple of plays off.

From Los Angeles Times

Russian President Dmitry Medvedev, told The Guardian that Russians were fed up with the time changes because they caused “stress and illnesses” and “upset the human biorhythm.”

From Seattle Times

He won a Peabody Award in 1999 as the creator and executive producer of the MTV documentary series “BIORhythm.”

From Los Angeles Times

Her eyes shone like he was offering her the key to the biorhythm lab at Johns Hopkins.

From Literature

The main reason for doing so is that changing the clocks disrupts the human biorhythm, which can have severe implications for our health.

From The Verge

Related Words

• circadian rhythm