tyrannosaurus

/ tɪˌrænəˈsɔːrəs, tɪˈrænəˌsɔː /

noun

1. any large carnivorous bipedal dinosaur of the genus Tyrannosaurus, common in North America in upper Jurassic and Cretaceous times: suborder Theropoda (theropods)

Word History and Origins

Origin of tyrannosaurus¹

C19: from New Latin, from Greek turannos _tyrant + sauros lizard

Example Sentences

“And it doesn’t get any more diagnostic than that, seeing these giant tyrannosaurus teeth starring back at you.”

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Earlier this year, the United States returned dinosaur fossils taken out of Mongolia, including the skull of an alioramus, a smaller version of a tyrannosaurus rex that lived 70 million years ago.

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This means that a wide range of iconic dinosaurs were warm-blooded: Velociraptors and tyrannosaurus rexes were theropods, pterodactyls and so-called "monkeydactyls" were pterosaurs, triceratopses and stegosauruses were ornithischia, and brontosauruses and brachiosauruses were sauropods.

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New Mexico’s high desert plateaus have also yielded many dinosaur fossils, including various species of tyrannosaurus that roamed the land millions of years ago when it was a tropical rain forest.

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As it moved through the toppled trees and standing brush, it mimicked the sound of a tyrannosaurus rex making its way through the jungle in a “Jurassic Park” movie.

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