biorhythmicadj.
/ˌbʌɪə(ʊ)ˈrɪðmɪk/, U.S. /ˌbaɪoʊˈrɪðmɪk/ Of, relating to, or involving biorhythms.
ΘΚΠ
the world > life > biology > biological processes > cycles of activity > [adjective] > biorhythmic
biorhythmic1913
1913 Lancet 6 Sept. 709/2 Sleep is a bio-rhythmic rest and a necessity of life.
1941 Nature 22 Nov. 627/2 The egg production of ducks..shows a close formal resemblance to..related biorhythmic processes.
1972 Times 30 June 18/1 The new biorhythmic watch..charts the state of your physical, psychological and intellectual health.
1993 H. Gardner Creating Minds iii. 61 Fliess believed that human life was governed by biorhythmic cycles of twenty-three days for men and twenty-eight days for women.
2007 Irish Times (Nexis) 26 Sept. (Motors section) 8 The purpose of mapping the biorhythmic cycles is to enable the calculation of critical days for performing or avoiding various activities.
Derivatives
bioˈrhythmically adv. in terms of biorhythms.
ΘΚΠ
the world > life > biology > biological processes > cycles of activity > [adverb]
biorhythmically1975
1975 Drive New Year 85/1 He came to the startling conclusion that 70% of accidents happen on biorhythmically critical days.
1996 Brittonia 48 360/2 Biorhythmically, I soon became a night person at the Garden.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).
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adj.1913