noun
- Any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). nitrogen oxide. Retrieved September 20, 2026, from http://smartdefine.org/nitrogen_oxide/definitions/1248178 |
| Chicago | WordNet. 2010. "nitrogen oxide" http://smartdefine.org/nitrogen_oxide/definitions/1248178 (accessed September 20, 2026). |
| Harvard | WordNet 2010, nitrogen oxide, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/nitrogen_oxide/definitions/1248178>. |
| MLA | WordNet. "nitrogen oxide" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/nitrogen_oxide/definitions/1248178> |