noun
- Defensive measures designed to destroy attacking enemy aircraft or missiles or to nullify their effectiveness. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). air defense. Retrieved September 21, 2026, from http://smartdefine.org/air_defense/definitions/1192833 |
| Chicago | WordNet. 2010. "air defense" http://smartdefine.org/air_defense/definitions/1192833 (accessed September 21, 2026). |
| Harvard | WordNet 2010, air defense, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/air_defense/definitions/1192833>. |
| MLA | WordNet. "air defense" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/air_defense/definitions/1192833> |