| Abbreviation | Definition |
|---|---|
| PS | Pulse Shaping |
| PSA | Programmable Switch Array |
| PSB | Phase Shifting Blank |
| PSC | Permanent Split Capacitor |
| PSC | Porous Silicon Capacitor |
| PSC | Power Supply Controller |
| PSD | Power Spectral Density |
| PSD | Pulse Shape Discrimination |
| PSE | Product Safety Electrical |
| PSEG | Public Service Electric and Gas |
| PSEN | Program Store ENable |
| PSEU | Proximity Sensor Electronic Unit |
| PSEU | Proximity Switch Electric Unit |
| PSEU | Proximity Switch Electronic Unit |
| PSG | Phospho Silicate Glass |
| PSG | Pressure Sensor Glow |
| PSG | Programmable Sound Generator |
| PSH | Programmable Switching Hewlett-Packard power supply |
| PSI | Pounds per Square Inch |
| PSII | Plasma Source Ion Implantation |