Word Study
kenogenesis
WORDNET DICTIONARY
Noun kenogenesis has 1 sense
- kenogenesis(n = noun.process) caenogenesis, cainogenesis, cenogenesis, kainogenesis - 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); Array is a kind of development, growing, growth, maturation, ontogenesis, ontogeny
CIDE DICTIONARY
kenogenesis, n. [Gr. new + E. genesis.].
Modified evolution, in which nonprimitive characters make their appearance in consequence of a secondary adaptation of the embryo to the peculiar conditions of its environment; -- distinguished from palingenesis . [1913 Webster]
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