Cretaceous

[krɪ'teɪʃəs] or [krɪ'teʃəs]

Definition

(noun.) from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants.

(adj.) of or relating to or denoting the third period of the Mesozoic era .

(adj.) abounding in chalk .

Checker: Maryann--From WordNet

Definition

(a.) Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk.

Inputed by Harvey

Synonyms and Synonymous

a. Chalky.

Edited by Christine

Definition

adj. composed of or like chalk.—adj. Crē′tāted rubbed with chalk.—n. Cretifac′tion.—v.i. Crē′tify to become impregnated with salts of lime.

Checked by Cindy