jurassic

2 definitions • 4 examples

from or referring to the period of time between around 208 and 146 million years ago, in which the first birds appeared and the single piece of land broke up into separate continents:

The allosaurus was a fearsome predator that lived during the Jurassic Period 150 million years ago.

New Mexico's Jurassic formations hint of isolated dinosaur populations.

the period of time between around 208 and 146 million years ago, in which the first birds appeared and the single piece of land broke up into separate continents:

Dinosaurs were far better adapted to life in the Jurassic.

The brontosaurs had long necks that enabled them to reach the high-growing conifers prevalent in the Jurassic.