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