| Acronym | Definition |
|---|
| PSOS➣Plug-in Silicon Operating System |
| PSOS➣Portable Scalable Operating System |
| PSOS➣Project Specific Output Specifications |
| PSOS➣Provably Secure Operating System |
| PSOS➣Profiler Surface Observing System |
| PSOS➣Power System on Silicon |
| PSOS➣Portable Scalable Operating System (Alcatel) |
| PSOS➣Patient Safety Officers Society (est. 2001) |
| PSOS➣Project Save Our Soldiers (Englewood, CO) |
| PSOS➣Perceived Sense of Slip (posture stability test) |