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apatosaur Syllabification: a·pa·to·saur
Pronunciation: /əˈpatōsôr/
(also apatosaurusˌapətōˈsôrəs)

Definition of apatosaur in English:

noun

A huge herbivorous dinosaur of the late Jurassic period, with a long neck and tail. Also called brontosaur.
  • Genus Apatosaurus (popularly Brontosaurus), infraorder Sauropoda, order Saurischia
Example sentences
  • As Christians who reject evolutionary theory, the family scoffed at the park's dinosaur attractions, which date the apatosaurus, brachiosaurus and the like to prehistoric times.
  • He said continuing research into the species is important because of larger evolutionary questions, including their relationship to the much larger sauropod dinosaurs, including brachiousaurus and apatosaurus.
  • And one of the marvelous things God described to Job sounds very much like an apatosaurus.

Derivatives

apatosaurian
adjective

Origin

Modern Latin, from Greek apatē 'deceit' + sauros 'lizard'.

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