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deinonychus Syllabification: dei·non·y·chus
Pronunciation: /dīˈnänikəs/

Definition of deinonychus in English:


A dromaeosaurid dinosaur of the mid Cretaceous period, growing up to 11 feet (3.3 m) in length.
  • Genus Deinonychus, family Dromaeosauridae, suborder Theropoda
Example sentences
  • You can see feathered models of deinonychus, with a therizinosaurus in the background.
  • Utahraptors were the largest species in the class where velociraptors and deinonychuses also belong.
  • A huge curved claw on each foot made Deinonychus a small but particularly deadly dinosaur of the Cretaceous Period.


Modern Latin, from Greek deinos 'terrible' + onux, onukh- 'claw'.

Definition of deinonychus in:
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