adjective \trī-ˈa-sik\

Definition of TRIASSIC

:  of, relating to, or being the earliest period of the Mesozoic era or the corresponding system of rocks marked by the first appearance of the dinosaurs — see geologic time table
Triassic noun

Origin of TRIASSIC

International Scientific Vocabulary, from Latin trias triad; from the three subdivisions of the European Triassic — more at triad
First Known Use: 1841

Rhymes with TRIASSIC


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