noun
- An oxide containing three atoms of oxygen in the molecule. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). trioxide. Retrieved September 20, 2026, from http://smartdefine.org/trioxide/definitions/1249633 |
| Chicago | WordNet. 2010. "trioxide" http://smartdefine.org/trioxide/definitions/1249633 (accessed September 20, 2026). |
| Harvard | WordNet 2010, trioxide, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/trioxide/definitions/1249633>. |
| MLA | WordNet. "trioxide" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/trioxide/definitions/1249633> |