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deinotherium Syllabification: dei·no·the·ri·um
Pronunciation: /ˌdīnəˈTHirēəm/
(also deinothereˈdīnəˌTHi(ə)r)

Definition of deinotherium in English:

noun (plural deinotheria-THi(ə)rēə or deinotheriums)

An elephantlike fossil mammal found mainly in the Pliocene epoch, the lower jaw having tusks that curve downward and backward.
  • Genus Deinotherium, suborder Deinotherioidea, order Proboscidea
Example sentences
  • Imagine a landscape inhabited by several kinds of elephantoids, deinotheres, three species of rhino, two species of hippo, and two species of giraffe.
  • These ancient species were lying side by side with more advanced forms called deinotheres and gomphotheres, which were not previously known to exist until 20 million years ago.
  • By the Early Miocene, deinotheres had grown to the size of a small elephant, and had migrated to Eurasia.


Modern Latin, from Greek deinos 'terrible' + thērion 'wild beast'.

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