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cretaceous

cre·ta·ceous

cretaceous

 
pronunciation:
krih teI shs
features:
Word Combinations (adjective), Word Parts
part of speech: adjective
definition 1: of, containing, or like chalk.
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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