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⇱ biorhythm - WordReference.com Dictionary of English

biorhythm

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈbaɪəʊˌrɪðəm/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈbaɪoʊˌrɪðəm/ ,USA pronunciation: respelling(bī′ō riᵺ′əm)


WordReference Random House Learner's Dictionary of American English © 2026
bi•o•rhythm /ˈbaɪoʊˌrɪðəm/USA pronunciation   n. [countable]
  1. Physiologyan inborn cycle in an organism, such as sleep and wake cycles:biorhythms all confused after our traveling.

WordReference Random House Unabridged Dictionary of American English © 2026
bi•o•rhythm  (bī′ō riᵺ′əm),USA pronunciation n. 
  1. Physiologyan innate periodicity in an organism's physiological processes, as sleep and wake cycles.
  • 1960–65; bio- + rhythm
bi′o•rhyth′mic, adj. 
bi′o•rhyth′mist, bi′o•rhyth′mi•cist, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
biorhythm /ˈbaɪəʊˌrɪðəm/ n
  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
'biorhythm' also found in these entries (note: many are not synonyms or translations):
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