tyrannosaurus rex

plural tyrannosaurus rexes

1. countableuncountableAlternative letter-case form of Tyrannosaurus rex.

plural Tyrannosaurus rexes · plural Tyrannosauri reges · alternative Tyrannosaurus Rex · alternative tyrannosaurus rex

1. A giant carnivorous theropod dinosaur from the Cretaceous period.

   Some of the most spectacular beasts in East Coast museums happen to be Tyrannosaurus rexes from Montana.

   1999, Fred Setterberg, America: True Stories of Life on the Road, →ISBN, page 244

   2 more examples

   "Now, Dr. Richgels, you picked a folder from the story box. Could you show us the one that you picked?" Mine shows two Tyrannosaurus rexes fighting […]

   2003, Donald J. Richgels, Going to Kindergarten: A Year with an Outstanding Teacher, →ISBN, page 222

   So Lyell's view is not inconsistent with Dollo's Law of Irreversibility in that, under awful (i.e., evolutionary) changes, biological organisms would not follow the same unlikely path regenerating, say, DNA-exact Tyrannosaurus rexes from ancestral chicken stock in some future age.

   2009, Allen A. Debus, Prehistoric Monsters: The Real and Imagined Creatures of the Past, →ISBN, page 251

   Synonyms: T-rex, T. Rex, T.-rex, T. rex, T-Rex, T.-Rex

plural Tyrannosaurus Rexes

1. countableuncountableAlternative letter-case form of Tyrannosaurus rex.