Triassic

Definition

Of or from the geologic strata above the Permian and below the Jurassic; of or belonging to the period 250 to 200 million years ago when these strata were laid down.

Etymology

From Trias (“three-layered geologic strata between the Permian and Jurassic”) < German Trias < Ancient Greek τριάς (triás, “triad”), + -ic. Coined in 1841 by geologist Friedrich August von Alberti (1795–1878).

Example Sentences

• "“Well,” Ellie said. “We know animals have survived. Crocodiles are basically Triassic animals living in the present. Sharks are Triassic. So we know it has happened before.”"