| Abbreviation | Definition |
|---|---|
| PPS | Pied Piper Sampling |
| PPS | PolyPhenylene Sulfide (Plastic) |
| PPS | Puzzle Parking Systems |
| PPSU | Personal Printer Spooling Utility |
| PPT | Powerpoint [a Microsoft product] |
| PPTC | Polymeric Positive Temperature Coefficient |
| PQFP | Plastic Quad Flat Pack |
| PQRS | Plasser Quick Relaying System |
| PQX | Parametric Equalizer |
| PR | PlaRock |
| PR | Power Reference |
| PRAS | Particle Reactor Analysis Services |
| PRAT | Production Reliability Acceptance Test |
| PRB | Pseudo-Random Binary |
| PRBS | Pseudo-Random Binary Sequence |
| PRC | Partially Resonant Circuit |
| PRC | Pseudo Remote Carrier |
| PRDA | Performance Requirements and Design Assumptions |
| PRDDO | Partial Retention of Diatomic Differential Overlap |
| PRE | Pitting Resistance Equivalence |