biorhythm Syllabification: (bi·o·rhythm)Pronunciation: /ˈbīōˌriT͟Həm/Translate biorhythm | into German | into Italian Definition of biorhythm noun a recurring cycle in the physiology or functioning of an organism, such as the daily cycle of sleeping and waking. a cyclic pattern of physical, emotional, or mental activity said to occur in the life of a person. Derivatives biorhythmicPronunciation: /ˌbīōˈriT͟Hmik/ adjective biorhythm in other Oxford dictionaries Definition of biorhythm in the British & World English dictionary
