Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun caenogenesis
1 sense of caenogenesis
Sense 1
cenogenesis, kenogenesis, caenogenesis, cainogenesis, kainogenesis -- (introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution))
=> growth, growing, maturation, development, ontogeny, ontogenesis -- ((biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children")