| Abbreviation | Definition |
|---|---|
| PCM | Phase Contrast Microscopy |
| PCM | Power Control Module |
| PCM | Powertrain Control Module |
| PCM | Pulse Code Modulation |
| PCMCIA | Personal Computer Memory Card International Association |
| PCMP | Post Chemical-Mechanical Polishing |
| PCMS | Plasma Chemistry Monte-Carlo Simulation |
| PCN | Personal Communication and Network |
| PCO | Photo Catalytic Oxidation |
| PCR | Principle Component Regression |
| PCS | Process Control System |
| PCS | Proxy Cache Server |
| PCT | Partition Control Table |
| PCT | Process Change Team |
| PCT | Projected Capacitive Technology |
| PCU | Power Control Unit |
| PCUFP | Packet Control Unit Functional Processor |
| PCVD | Plasma Chemical Vapor Deposition |
| PCX | Zsoft Paintbrush image format |
| PD | Partial Discharge |