Extinct vs Dromaeognathous - What's the difference?

extinct | dromaeognathous |


As adjectives the difference between extinct and dromaeognathous

is that extinct is (dated) extinguished, no longer alight (of fire, candles etc) while dromaeognathous is (ornithology) possessing a palatal structure akin to the emu and the other (now extinct) species of the genus dromaius .

extinct

English

Adjective

(en adjective)
  • (dated) Extinguished, no longer alight (of fire, candles etc.)
  • Poor Edward's cigarillo was already extinct .
  • No longer used; obsolete, discontinued.
  • * Luckily, such ideas about race are extinct in current sociological theory.
  • *
  • Indeed the very fact that the English spelling system
    writes in there'' as two words but ''therein'' as one word might be taken as suggest-
    ing that only the former is a productive syntactic construction in Modern
    English, the latter being a now extinct construction which has left behind a
    few fossil remnants in the form of compound words such as ''thereby
    .
  • No longer in existence; having died out.
  • The dinosaurs have been extinct for millions of years.
  • (vulcanology) No longer actively erupting.
  • Most of the volcanos on this island are now extinct .

    Synonyms

    * dead

    Antonyms

    * (no longer alight) burning * (having died out) extant * active, dormant

    dromaeognathous

    English

    Alternative forms

    *

    Adjective

    (-)
  • (ornithology) Possessing a palatal structure akin to the emu and the other (now extinct) species of the genus Dromaius .
  • * 1895 : Eugene William Oates and William Thomas Blanford, Birds , volume 3, page v (Taylor and Francis)
  • The fourth principal type, the dromæognathous , is not found in any Indian birds.
  • * 1921 : William Aitcheson Haswell, A Text-book of Zoology , volume 2, page 431 (3rd Ed.; Macmillan)
  • From the fact that the dromæognathous skull is more reptilian than any other type, it would seem that the Ratitæ diverged early from the carinate stock.
  • * 1937 : Zoological Society of London, Proceedings , volume 107, part 2, page 225
  • It is well known that the membrane bones of the ostrich palate have a dromæognathous arrangement which is closer to the lacertilian plan than to the characteristic bird type where palatines and pterygoids slide upon a central rostrum.
  • * 1938 : Harry Forbes Witherby, Francis Charles Robert Jourdain, Norman Frederic Ticehurst, and Bernard William Tucker, The Handbook of British Birds , volume 1, page xxvi (7th Ed.; H. F. & G. Witherby)
  • Ægithognathous.—One of the four types of palatal structure distinguished by Huxley. The Dromæognathous type, with large vomer,¹ found in Ratites (Ostrich-like birds) is sharply defined from the others (in which the vomer is more or less reduced), but the latter are by no means so clearly separated from one another, and are connected to a great extent by intermediate conditions.

    Derived terms

    * dromaeognathism

    References