| Acronym | Definition |
|---|
| PRSB➣Pseudo Random Bit Stream |
| PRSB➣Proceedings of the Royal Society B (scientific journal; UK) |
| PRSB➣Piper Road Spring Band (Whitewater, WI) |
| PRSB➣Petra Resources, Sdn. Bhd. (est. 1988; Malaysia) |
| PRSB➣Professional Regulatory and Statutory Body (UK) |
| PRSB➣Progenix Research Sdn. Bhd. (Penang, Malaysia) |
| PRSB➣Payette River Scenic Byway (Idaho) |
| PRSB➣Pure Red Sable Brushes (manicuring) |