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

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of cenogenesis

German zänogenesis, from zän- 2cen- + Latin genesis birth


Seen and Heard

What made you want to look up cenogenesis? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

money or riches

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!