tyrannosaurus rex

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tyrannosaurus rex

A Tyrannosaurus rex roars in a prehistoric forest.

Definition

Noun 1. A large carnivorous bipedal dinosaur: Tyrannosaurus rex refers to a specific genus of very large, meat-eating dinosaur that walked on two powerful hind legs. It is characterized by its enormous skull, powerful jaws, and large, serrated teeth. 2. A Late Cretaceous period dinosaur: This dinosaur lived in what is now western North America during the late Cretaceous period, approximately 68 to 66 million years ago. 3. A potential scavenger: Some scientific interpretations suggest it may have been primarily a scavenger, feeding on already dead animals, rather than solely an active predator that hunted live prey.

Usage Examples
  • The museum's most famous exhibit is the skeleton of a Tyrannosaurus rex.
  • Paleontologists debate whether Tyrannosaurus rex was a fierce hunter or a dominant scavenger.
  • The Tyrannosaurus rex is one of the most widely recognized dinosaurs in popular culture.
Advanced Usage
  • Scientific Classification: The full binomial name is always italicized: . The genus name () is capitalized, while the species epithet () is not.
  • Informal Abbreviation: In casual contexts, it is often abbreviated as "T. rex" (also italicized in scientific writing).
    • The film featured a terrifying T. rex.
Variants and Related Words
  • Tyrannosaurid (noun): A member of the family Tyrannosauridae, which includes and its close relatives like and .
  • Theropod (noun): The broader suborder of bipedal, mostly carnivorous dinosaurs to which belongs.
Synonyms
  • T. rex (abbreviation)
  • Tyrant lizard king (literal translation of the Latin/Greek etymology)
Related Phrases and Cultural References
  • "The king of the dinosaurs": A common epithet for , referencing its species name , which is Latin for "king."
  • It is a central figure in media franchises like , often symbolizing ultimate prehistoric power and ferocity.
tyrannosaurus rex

A Tyrannosaurus rex roars in a prehistoric forest.

Noun
  1. large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America

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