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• allosaurus
  allosaurus

  noun

  allosaur.
• Allosaurus
  Allosaurus

  noun

  the genus Antrodemus.

allosaurus

¹ American  

[al-uh-sawr-uhs] / ˌæl əˈsɔr əs /

noun

allosauruses plural

1. allosaur.

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Allosaurus ² American  

[al-uh-sawr-uhs] / ˌæl əˈsɔr əs /

noun

1. Older Use. the genus Antrodemus.

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allosaurus Scientific  

/ ăl′ə-sôr′əs /

1. Any of various carnivorous dinosaurs of the genus Allosaurus of the late Jurassic and early Cretaceous Periods. Allosaurs were similar to but smaller than tyrannosaurs.

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Other Word Forms

Derived Forms

• allosauroid
  adjective

Inflected Forms

Nouns

• allosauruses
  plural

Example Sentences

See Examples For:

allosaurus Allosaurus allosauruses

It’s mounted in the Dinosaur Hall alongside the bones of an allosaurus, a contemporary predator.

From Los Angeles Times ● Aug. 19, 2022

He definitely did not lead an expedition that uncovered an allosaurus skull.

From Salon ● Jun. 25, 2021

Ms. Walter also appeared on “Law & Order,” “Touched by an Angel,” “One Life to Live,” “Murder, She Wrote,” “The Love Boat” and “Mannix” and voiced an anthropomorphic allosaurus on the puppet sitcom “Dinosaurs.”

From Washington Post ● Mar. 25, 2021

Gualicho shinyae belongs to a different type of dinosaurs called allosaurus, which scientists previously saw with strong, full-sized arms.

From Time ● Jul. 14, 2016

As in a fantastic dream Nelson watched one of the armored guardians unsnap the hook of the powerful chain by which his allosaurus was secured.

From Astounding Stories, February, 1931 by Bates, Harry

All three skeletons - two Allosaurus and one Stegosaurus - were excavated from the same site in Carbon County, Wyoming and travelled to London in 12 crates, where they were rebuilt.

From BBC ● Dec. 12, 2024

And there were large ones prowling during the time examined in the study, including Allosaurus, Torvosaurus, Ceratosaurus and Saurophaganax.

From Reuters ● Nov. 16, 2023

This model was based on the ancient fauna of the Jurassic-aged Morrison Formation, which included large predators like Allosaurus alongside large sauropods, their carcasses, and an infinite supply of huntable stegosaurs.

From Science Daily ● Nov. 1, 2023

Paleontologists have found these air sacs in flying reptiles called pterosaurs, in theropod dinosaurs such as Allosaurus, and in long-necked dinosaurs, including Diplodocus.

From Scientific American ● Mar. 31, 2023

In contrast with the Allosaurus and Tyrannosaurus this skeleton represents the smaller and more agile carnivorous dinosaurs which preyed upon the lesser herbivorous reptiles of the period.

From Dinosaurs With Special Reference to the American Museum Collections by Osborn, Henry Fairfield

“Some of these dinosaurs were the largest dinosaurs that ever lived. Just based on the calories alone, one dead sauropod would have enough calories to feed 20 or 30 allosauruses for several months.”

From Salon ● Nov. 2, 2023

“Recent papers about allosaurus cannibalism are pretty interesting because it means, I think, they did not care if they were scavenging sauropods or anything, even other allosauruses, they were fine with it,” he said.

From Salon ● Nov. 2, 2023

Beneath Utah’s surface, there’s a rich cache of dinosaur fossils, revealing details about prehistoric animals such as carnivorous allosauruses and spine-backed stegosauruses.

From National Geographic ● Oct. 19, 2023