Student Dictionary

One entry found for Triassic.
Main Entry: Tri·as·sic
Pronunciation: trimacr-primarystressas-ik
Function: adjective
: of, relating to, or being the earliest period of the Mesozoic era of geological history marked by the first appearance of dinosaurs; also : relating to the corresponding system of rocks -- see GEOLOGIC TIME table
- Triassic noun

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