biorhythm

noun

bio·rhythm | \ ˈbī-ō-ˌri-t͟həm

Definition of biorhythm

: an innately determined rhythmic biological process or function (such as sleep behavior) also : the internal mechanism that determines such a process or function

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Perhaps not coincidentally, these are the only two physiological features that Bromage found to directly correlate with the length of the new biorhythm. — Quanta Magazine, "Teeth May Reveal a Multi-Day Biological Clock," 13 Dec. 2016 Deutsche Lufthansa AG last year began using 24 different light settings on its Airbus A350-900 planes to help manage passenger biorhythms during long haul flights. — Robert Wall, WSJ, "Airlines Conquer Challenges of Long-Haul Flights. Now Can Passengers?," 24 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biorhythm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Last Updated

30 Jun 2019

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Time Traveler for biorhythm

The first known use of biorhythm was in 1913

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More Definitions for biorhythm

biorhythm

noun

English Language Learners Definition of biorhythm

: a natural, repeated pattern of changes that occur in the body and that affect the way a person feels

See the full definition for biorhythm in the English Language Learners Dictionary

biorhythm

noun

bio·rhythm | \ ˈbī-ō-ˌrit͟h-əm

Medical Definition of biorhythm

: an innately determined rhythmic biological process or function (as sleep behavior) also : an innate rhythmic determiner of such a process or function

Other Words from biorhythm

biorhythmic \ ˌbī-ō-ˈrit͟h-mik

\ adjective

biorhythmicity \ -rit͟h-ˈmis-ət-ē

\ noun, plural biorhythmicities

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