allosaurus

[ ăl′ə-sôrəs ]


  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.

Words Nearby allosaurus

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

How to use allosaurus in a sentence

  • Immediately Nelson swiftly sighted at the other eye and fired, just as the allosaurus' shadow filled the threshold.

  • When alive it was probably about half the bulk of the allosaurus mentioned above.

    Extinct Monsters | H. N. Hutchinson
  • As compared with its predecessor allosaurus, the Tyrannosaurus is much more massively proportioned throughout.

    Dinosaurs | William Diller Matthew
  • It was very closely related to the American allosaurus and unquestionably similar in appearance and habits.

    Dinosaurs | William Diller Matthew
  • Some such type of skin as this, in default of better evidence, we may ascribe to the allosaurus.

    Dinosaurs | William Diller Matthew