Cainogenesis

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of caenogenesis. alt-of, alternative
  2. 2
    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) wordnet

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.