1Of, relating to, or denoting the earliest period of the Mesozoic era, between the Permian and Jurassic periods. See also Permo–Triassic.
More example sentences
- Triassic footprints were primarily made by early crocodilians and small dinosaurs.
- Triassic asteroids are among the rarest of fossils, hitherto comprised of only three genera, all from Europe.
Definition of Triassic in:
- The British & World English dictionary