noun
- An electronic amplification system used as a communication system in public areas.
- synonyms: public address system, PA system, P. A., PA
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). p.a. system. Retrieved September 21, 2026, from http://smartdefine.org/p.a._system/definitions/1299935 |
| Chicago | WordNet. 2010. "p.a. system" http://smartdefine.org/p.a._system/definitions/1299935 (accessed September 21, 2026). |
| Harvard | WordNet 2010, p.a. system, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/p.a._system/definitions/1299935>. |
| MLA | WordNet. "p.a. system" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/p.a._system/definitions/1299935> |