in reference to "geological period between the Triassic and the Cretaceous," 1847, from French Jurassique, literally "of the Jura Mountains," between France and Switzerland, whose limestones were laid down during this geological period. Used in English in a literal sense "pertaining to the Jura Mountains" by 1831. The name is said to be from Gaulish *iuris "wooded mountain."
例文
1. Jurassic Park had broken all box office records.
『ジュラシック?パーク』が全興行収入記録を更新した。
2.Okay，now the Mastodon is from the semi-late Jurassic period.
次にこの乳歯像はジュラ紀中後期から来ている。
3.And on your left，you have Tyranosaurus Rex，a carnivore from the Jurassic period.
左側には、ジュラ紀由来の肉食動物であるティラノサウルスが見えます。
4.Taibei Say was the depositional Center of Turpan-Harmi Basin after Jurassic .
台北の陥没はジュラ紀以降、吐哈盆地の堆積中心となっている。
5. Jurassic Biostratigraphic Sequence in the Midle of Northern Tibet.