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tyrannosaur

[ti-ran-uh-sawr, tahy-] /tɪˈræn əˌsɔr, taɪ-/
noun
1.
a large, carnivorous dinosaur, Tyrannosaurus rex, from the Late Cretaceous Epoch of North America, that walked erect on its hind feet.
Origin of tyrannosaur
< New Latin Tyrannosaurus (1905), equivalent to Greek tyranno- (combining form representing týrannos tyrant) + saûros -saur
Can be confused
tyrannous, tyrannosaur.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for tyrannosaur
Contemporary Examples
Historical Examples
  • It is somewhat older than the tyrannosaur although still of the late Cretacic period, and may have been ancestral to it.

    Dinosaurs William Diller Matthew
  • The largest of these grew to be 30 feet long and 15 to 20 feet high, comparable, therefore, to the tyrannosaur in size.

    Geology William J. Miller
  • Kirk grimaced and DeVore saw a faint image of a tyrannosaur, which reared up, jaws agape.

    Final Weapon Everett B. Cole
tyrannosaur in Science
tyrannosaur
  (tĭ-rān'ə-sôr')   
Any of various very large carnivorous dinosaurs of the genus Tyrannosaurus and related genera of the Cretaceous Period. Tyrannosaurs had very small forelimbs and a large head with sharp teeth. They walked on two legs, probably bent forward with their long tail stretched out as a counterbalance. Tyrannosaurs were theropods and probably distantly related to birds. The largest species, T. rex, grew to lengths of 14.3 m (47 ft) or more and may have been the largest land predator that ever lived.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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