|
|
| Tri·as·sic [ trī ássik ] |
noun |
|
| Definition: |
| |
geologic period: the period of geologic time, 248 million to 206 million years ago, during which reptiles flourished and dinosaurs and evergreen forests first appeared
|
| [Mid-19th century. < German Trias< Latin, "three, triad" < Greek] |
|
 Tri·as·sic adjective |
|
|