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tyrannosaurus

British  
/ 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)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tyrannosaurus

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A new type of giant long-necked dinosaur, twice the size of a tyrannosaurus rex, has been identified up by scientists from remains dug up in Thailand.

From BBC ● May 14, 2026

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

From Seattle Times ● Jun. 3, 2024

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.

From Reuters ● Nov. 20, 2023

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.

From Salon ● May 29, 2022

A tyrannosaurus stomped into the yard, ducking forward so it could fit under the gate and then rearing up to its full height and stomping up mountain clouds of dust on either side.

From "Dactyl Hill Squad" by Daniel José Older

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