osteogenesisPronunciation: /ˌɒstɪə(ʊ)ˈdʒɛnɪsɪs/Definition of osteogenesis noun [mass noun] Physiology the formation of bone. Derivatives osteogeneticPronunciation: /-dʒɪˈnɛtɪk/ adjective osteogenic adjective osteogenesis in other Oxford dictionaries Definition of osteogenesis in the US English dictionary