osteogenesis Syllabification: (os·te·o·gen·e·sis)Pronunciation: /ˌästēōˈjenəsis/Definition of osteogenesis noun the formation of bone. Derivatives osteogeneticPronunciation: /-jəˈnetik/ adjective osteogenicPronunciation: /ˈjenik/ adjective osteogenesis in other Oxford dictionaries Definition of osteogenesis in the British & World English dictionary