Cre·​ta·​ceous | \kri-ˈtā-shəs \

Definition of Cretaceous 

: of, relating to, or being the last period of the Mesozoic era characterized by continued dominance of reptiles, emergent dominance of angiosperms, diversification of mammals, and the extinction of many types of organisms at the close of the period also : of, relating to, or being the corresponding system of rocks — see Geologic Time Table

Other Words from Cretaceous

Cretaceous noun

First Known Use of Cretaceous

1832, in the meaning defined above

History and Etymology for Cretaceous

Latin cretaceus resembling chalk, from creta chalk

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The first known use of Cretaceous was in 1832

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Britannica English: Translation of Cretaceous for Arabic Speakers

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to make faulty or ineffective

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