kenogenesis
cenogenesis cen`o*gen"e*sis n. [Gr. ? new + E. genesis.] (Biol.) The introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution); a 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}. [Also spelled {caenogenesis} and formerly {kenogenesis}.] [WordNet 1.5 + 1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Kenogenesis — Ken o*gen e*sis, n. [Gr. ? new + E. genesis.] (Biol.) 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… …   The Collaborative International Dictionary of English

  • kenogenesis — /kinoʊˈdʒɛnəsəs/ (say keenoh jenuhsuhs) noun Chiefly US → cainogenesis …   Australian English dictionary

  • kenogenesis — noun 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) • Syn: ↑cenogenesis, ↑caenogenesis,… …   Useful english dictionary

  • caenogenesis — Kenogenesis Ken o*gen e*sis, n. [Gr. ? new + E. genesis.] (Biol.) 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;… …   The Collaborative International Dictionary of English

  • cenogenesis — Kenogenesis Ken o*gen e*sis, n. [Gr. ? new + E. genesis.] (Biol.) 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;… …   The Collaborative International Dictionary of English

  • caenogenesis — cenogenesis cen o*gen e*sis n. [Gr. ? new + E. genesis.] (Biol.) The introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in… …   The Collaborative International Dictionary of English

  • cenogenesis — Recapitulation Re ca*pit u*la tion (r[=e] k[.a]*p[i^]t [ u]*l[=a] sh[u^]n), n. [LL. recapitulatio: cf. F. recapitulation.] 1. The act of recapitulating; a summary, or concise statement or enumeration, of the principal points, facts, or statements …   The Collaborative International Dictionary of English

  • cenogenesis — cen o*gen e*sis n. [Gr. ? new + E. genesis.] (Biol.) The introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian… …   The Collaborative International Dictionary of English

  • coenogenesis — Recapitulation Re ca*pit u*la tion (r[=e] k[.a]*p[i^]t [ u]*l[=a] sh[u^]n), n. [LL. recapitulatio: cf. F. recapitulation.] 1. The act of recapitulating; a summary, or concise statement or enumeration, of the principal points, facts, or statements …   The Collaborative International Dictionary of English

  • Kenogenetic — Ken o*ge*net ic, a. (Biol.) Of or pertaining to kenogenesis; as, kenogenetic processes. {Ken o*ge*net ic*al*ly}, adv. [1913 Webster] …   The Collaborative International Dictionary of English

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