cenogenesis

noun
ce·​no·​genesis
variants: or coenogenesis or less commonly caenogenesis \ ¦sēnə , ¦senə+ \

Definition of cenogenesis

: introduction during development of adaptive characters or structures that are absent from the earlier phylogeny of a strain (as addition of the placenta to the common vertebrate pattern in mammalian evolution) opposed to palingenesis

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History and Etymology for cenogenesis

German zänogenesis, from zän- cen- + Latin genesis birth

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Cite this Entry

“Cenogenesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cenogenesis. Accessed 30 May. 2020.

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