Dictionary Check: cretaceous
"cretaceous" is a valid word!
Scrabble
14
points
Words with Friends
17
points
Definition
adjective
of or relating to or denoting the third period of the Mesozoic era
adjective
abounding in chalk
noun
the period from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
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