physiological UK /ˌfɪz.i.əˈlɒd͡ʒ.i.kəl/US /ˌfɪz.i.əˈlɑ.d͡ʒɪ.kəl/ adjective2 •Of, or relating to physiology. •Relating to the action of a drug when given to a healthy person, as distinguished from its therapeutic action. formsmore physiological · most physiological
