One entry found for Cretaceous.

Main Entry: Cre·ta·ceous
Pronunciation: kri-t-shs
Function: adjective
: of, relating to, or being the last period of the Mesozoic era of geological history marked by the extinction of the dinosaurs at the close of the period; also : relating to the corresponding system of rocks -- see GEOLOGIC TIME table
- Cretaceous noun

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