Triassic

Meanings

Adjective

• 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.

Proper Noun

• A geologic period within the Mesozoic era, comprising lower, middle and upper epochs from about 250 to 200 million years ago.

Origin

• From Trias < German Trias < Ancient Greek τριάς, -ic. Coined in 1841 by geologist Friedrich August von Alberti (1795–1878).