Triassic

Wikipedia

English

Etymology

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

Pronunciation

• Rhymes: -æsɪk

Adjective

Triassic (not comparable)

1. 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.
   • 1990, Michael Crichton, Jurassic Park, Alfred A. Knopf, p 45:

     “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.”

Proper noun

Triassic

1. (geology) A geologic period within the Mesozoic era; comprises lower, middle and upper epochs from about 250 to 200 million years ago.

Related terms

• Trias

Translations

the geologic period

Estonian: triias (et) Finnish: triaskausi (fi), trias (fi) French: Trias (fr) m.

Greek: Τριάσια Περίοδος (el) m. Polish: trias (pl) m. Russian: триасовый период (ru) (triásovyj períod) m., триас (ru) (triás) m.

See also

• Appendix:Geologic timescale