Definitions of Cretaceous in English
adjective
(1) Abounding in chalk.
(2) Of or relating to or denoting the third period of the Mesozoic era.
(3) Of or relating to the Cretaceous geologic era.
noun
(1) From 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
(2) From 135 million to 63 million years ago
(3) End of the age of reptiles
(4) Appearance of modern insects and flowering plants
synonyms of Cretaceous
cretaceous period
