English dictionary
Cretaceous
/kr/I/'t/eI//S//@/s/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
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abounding in chalk
Source: WordNet 3.0
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of or relating to or denoting the third period of the Mesozoic era
Source: WordNet 3.0
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Having the qualities of chalk; abounding with chalk; chalky; as, <i>cretaceous</i> rocks and formations. See <u>Chalk</u>.
Source: webster1913
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Of, pertaining to, or designating, the period of time following the Jurassic and preceding the Eocene.
Source: webster1913
noun
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from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
Synonyms cretaceous periodSource: WordNet 3.0