PIRSA
(redirected from Passive Infrared Situation Awareness)| Acronym | Definition |
|---|---|
| PIRSA | Primary Industries and Resources South Australia (South Australian government body) |
| PIRSA | Perimeter Institute Recorded Seminar Archive (physics seminar database) |
| PIRSA | Primary Industries and Resources South Africa |
| PIRSA | Passive Infrared Situation Awareness |