JURASSIC

Jurassic

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

Jurassic, Jurassic period

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

Source: WordNet® 3.1

Etymology

Adjective

Jurassic (not comparable)

(geology) Of or pertaining to the second period of the Mesozoic era, a time still dominated by dinosaurs.

Of or pertaining to the people or region near the Jura Mountain Range of Europe.

Proper noun

Jurassic

(geology, paleontology) The period from 201.3±0.2 to 145 million years ago, after the Triassic and before the Cretaceous; the geologic systems of this period.

• D. M. Kermack, K. A. Kermack, The Evolution of Mammalian Characters

Hypernyms

• (geological period): Phanerozoic - eon; Mesozoic - era

Hyponyms

• (geological period): Lower Jurassic, Middle Jurassic, Upper Jurassic - epochs; series

Coordinate terms

• (geological period): Triassic (preceding), Cretaceous (succeeding) - periods; systems

Source: Wiktionary

Ju*ras"sic, a. (Geol.)

Definition: Of the age of the middle Mesozoic, including, as divided in England and Europe, the Lias, Oölite, and Wealden; -- named from certain rocks of the Jura mountains.

– n.

Definition: The Jurassic period or formation; -- called also the Jura.

Source: Webster’s Unabridged Dictionary 1913 Edition