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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

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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

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

A fossilised allosaurus skeleton went under the hammer today at Summers Place Auctions in West Sussex.

From The Guardian ● Nov. 25, 2015

Another allosaurus, whining with eagerness, actually clambered up the back of an assailed giant only to fall back under the blast of a retortii mounted in the howdah.

From Astounding Stories, February, 1931 by Harry Bates

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

The researchers said several well-known Yale Peabody Museum fossils were pivotal in the work, including Allosaurus, the giant Jurassic predator discovered by O.C.

From Science Daily ● Nov. 20, 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

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

The fore-limb is very small relatively to the huge size of the animal, but probably was constructed much as in the Allosaurus with two or three large curved claws, the inner claw opposing the others.

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

“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

“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

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

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