cretaceous
IPA: krɪtˈeɪʃɪs
Root Word: Cretaceous
noun
- (geology) The geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 66 million years ago.
adjective
- Of or relating to chalk.
- Consisting of chalk.
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Examples of "cretaceous" in Sentences
No Sentences Found for cretaceous
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