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allosaur

American  
[al-uh-sawr] / ˈæl əˌsɔr /

noun

  1. a carnivorous dinosaur of the genus Antrodemus (formerlyAllosaurus ), from the late Jurassic Period of North America, that was about 30 feet (9 meters) long.

allosaur British  
/ ˌæləˈsɔːrəs, ˈæləˌsɔː /

noun

  1. any large carnivorous bipedal dinosaur of the genus Antrodemus (formerly Allosaurus ), common in North America in late Jurassic 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 allosaur

< New Latin Allosaurus (1877). See allo-, -saur

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.

In studies of rocks from northern China, Brusatte and his co-workers have found an allosaur five to six metres long named Shaochilong maortuensis, which lived about 90 million years ago.

From Nature • Oct. 23, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.