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Extinct vs Plesiosaur - What's the difference?

extinct | plesiosaur |

As an adjective extinct

is (dated) extinguished, no longer alight (of fire, candles etc).

As a noun plesiosaur is

any of several extinct marine reptiles, of the order plesiosauria, from the jurassic and cretaceous periods.

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

    Related terms

    * extinction * extinctive * extinguish

    External links

    * *

    plesiosaur

    English

    Noun

    (wikipedia plesiosaur) (en noun)
  • Any of several extinct marine reptiles, of the order Plesiosauria, from the Jurassic and Cretaceous periods.
  • * 1918 , (Edgar Rice Burroughs), Chapter IV
    • "Look!" cried Olson. "Would you look at the giraffe comin' up out o' the bottom of the say?" We looked in the direction he pointed and saw a long, glossy neck surmounted by a small head rising above the surface of the river. Presently the back of the creature was exposed, brown and glossy as the water dripped from it. It turned its eyes upon us, opened its lizard-like mouth, emitted a shrill hiss and came for us. The thing must have been sixteen or eighteen feet in length and closely resembled pictures I had seen of restored plesiosaurs of the lower Jurassic.