biodynamics Syllabification: (bi·o·dy·nam·ics)Pronunciation: /ˌbīōdīˈnamiks/Definition of biodynamics noun [treated as singular] 1the study of physical motion or dynamics in living systems. 2a method of organic farming involving such factors as the observation of lunar phases and planetary cycles and the use of incantations and ritual substances. Derivatives biodynamic adjective biodynamics in other Oxford dictionaries Definition of biodynamics in the British & World English dictionary