Oxford Dictionary English biorhythm nounnoun BrE BrE//ˈbaɪəʊrɪðəm// ; NAmE NAmE//ˈbaɪoʊrɪðəm// [usually plural] Add to my wordlistjump to other resultsthe changing pattern of how physical processes happen in the body, that some people believe affects human behaviourSee biorhythm in the Oxford Advanced American DictionaryCheck pronunciation: biorhythm oxfordlearnersdictionaries.com
