Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative spelling of caenogenesis.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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)

Etymologies

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