Jurassic

[dʒu'ræsik]

Definition

(noun.) from 190 million to 135 million years ago; dinosaurs; conifers.

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

Inputed by Doris--From WordNet

Definition

(a.) Of the age of the middle Mesozoic, including, as divided in England and Europe, the Lias, Oolite, and Wealden; -- named from certain rocks of the Jura mountains.

(n.) The Jurassic period or formation; -- called also the Jura.

Typist: Sharif

Definition

adj. (geol.) one of the three divisions of the Mesozoic rocks including the Lias and Oolites and so called from its well-developed strata in the Jura Mountains.

Checked by Delores

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