CRETACEOUS PERIOD

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

From 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants

Synonyms:

Cretaceous; Cretaceous period

Classified under:

Nouns denoting time and temporal relations

Instance hypernyms:

geological period; period (a unit of geological time during which a system of rocks formed)

Holonyms ("Cretaceous period" is a part of...):

Age of Reptiles; Mesozoic; Mesozoic era (from 230 million to 63 million years ago)

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