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cre·ta·ceous
 cretaceous
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- pronunciation:
- krih
teI
sh
 s
- features:
- Word Combinations (adjective), Word Parts
| part of speech: |
adjective |
| definition 1: |
of, containing, or like chalk.
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| definition 2: |
(cap.) of, relating to, or designating the geological period at the end of the Mesozoic Era, from approximately 135 million to 65 million years ago, when dinosaurs died out, early mammals and flowering plants appeared, and chalk beds were formed.
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