noun
- From 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity.
- synonyms: Triassic
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). triassic period. Retrieved September 24, 2026, from http://smartdefine.org/triassic_period/definitions/1317142 |
| Chicago | WordNet. 2010. "triassic period" http://smartdefine.org/triassic_period/definitions/1317142 (accessed September 24, 2026). |
| Harvard | WordNet 2010, triassic period, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/triassic_period/definitions/1317142>. |
| MLA | WordNet. "triassic period" 23 October 2010. Web. 24 September 2026. <http://smartdefine.org/triassic_period/definitions/1317142> |