Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of extinct is as below...

Death :: Death (v. i.) Total privation or loss; extinction; cessation; as, the death of memory..

Trilobite :: Trilobite (n.) Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment..

Gyrodus :: Gyrodus (n.) A genus of extinct oolitic fishes, having rounded teeth in several rows adapted for crushing..

Saururae :: Saururae (n. pl.) An extinct order of birds having a long vertebrated tail with quills along each side of it. Archaeopteryx is the type. See Archaeopteryx, and Odontornithes..

Taxeopoda :: Taxeopoda (n. pl.) An order of extinct Mammalia found in the Tertiary formations.

Spiritoso :: Spiritless (a.) Having no breath; extinct; dead.

Labyrinthodonta :: Labyrinthodonta (n. pl.) An extinct order of Amphibia, including the typical genus Labyrinthodon, and many other allied forms, from the Carboniferous, Permian, and Triassic formations. By recent writers they are divided into two or more orders. See Stegocephala..

Modocs :: Modocs (n. pl.) A tribe of warlike Indians formerly inhabiting Northern California. They are nearly extinct.

Extinction :: Extinction (n.) The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc..

Bethlemite :: Bethlemite (n.) One of an extinct English order of monks.

Rhabdophora :: Rhabdophora (n. pl.) An extinct division of Hydrozoa which includes the graptolities.

Odontopteryx :: Odontopteryx (n.) An extinct Eocene bird having the jaws strongly serrated, or dentated, but destitute of true teeth. It was found near London..

Goniatite :: Goniatite (n.) One of an extinct genus of fossil cephalopods, allied to the Ammonites. The earliest forms are found in the Devonian formation, the latest, in the Triassic..

Coryphodon :: Coryphodon (n.) A genus of extinct mammals from the eocene tertiary of Europe and America. Its species varied in size between the tapir and rhinoceros, and were allied to those animals, but had short, plantigrade, five-toed feet, like the elephant..

Wear :: Wear (v. i.) To be wasted, consumed, or diminished, by being used; to suffer injury, loss, or extinction by use or time; to decay, or be spent, gradually..

Pycnodontini :: Pycnodontini (n. pl.) An extinct order of ganoid fishes. They had a compressed body, covered with dermal ribs (pleurolepida) and with enameled rhomboidal scales..

Absumption :: Absumption (n.) Act of wasting away; a consuming; extinction.

Dinichthys :: Dinichthys (n.) A genus of large extinct Devonian ganoid fishes. In some parts of Ohio remains of the Dinichthys are abundant, indicating animals twenty feet in length..

Expiration :: Expiration (n.) A coming to a close; cessation; extinction; termination; end.

Miohippus :: Miohippus (n.) An extinct Miocene mammal of the Horse family, closely related to the genus Anhithecrium, and having three usable hoofs on each foot..

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