caenogenesis

cainogenesis or kainogenesis US cenogenesis or kenogenesis

/ (ˌsiːnəʊˈdʒɛnɪsɪs) /

noun

the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult formCompare recapitulation (def. 2)

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Derived forms of caenogenesis

caenogenetic (ˌsiːnəʊdʒɪˈnɛtɪk), cainogenetic or kainogenetic or US cenogenetic or kenogenetic, adjectivecaenogenetically, cainogenetically or kainogenetically or US cenogenetically or kenogenetically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012