Triassic: Meaning and Definition of

Tri•as•sic

Pronunciation: (trī-as'ik), [key]
— Geol. Geol.
—adj.
  1. noting or pertaining to a period of the Mesozoic Era, occurring from 230 to 190 million years ago and characterized by the advent of dinosaurs and coniferous forests. See table under geologic time.
—n.
  1. the Triassic Period or System.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
triarylmethane dye triathlete
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