biorhythm(redirected from Biological rhythm)
Also found in: Thesaurus, Medical, Legal, Encyclopedia.
Related to Biological rhythm: melatonin
An innate, cyclical biological process or function.
bi′o·rhyth′mic (-rĭth′mĭk) adj.
(Physiology) 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
bi•o•rhythm(ˈbaɪ oʊˌrɪð əm)
an innate periodicity in an organism's physiological processes, as sleep and wake cycles.
bi`o•rhyth•mic′i•ty (-ˈmɪs ɪ ti) n.
A recurring biological process, such as sleep, that is controlled by the circadian rhythms of an organism.