| Abbreviation | Definition |
|---|---|
| PBS | Photon BackScattering |
| PC | Phase Comparator |
| PC | Powder Coating |
| PC | Process CAM |
| PCA | Printed Circuit Assembly |
| PCA | Processor Controlled Amplitude |
| PCAD | Packaging Computer-Aided Design |
| PCB | Printed Circuit Board |
| PCB | Process Control Block |
| PCC | Personal Computer Controlled |
| PCC | Process Control Computer |
| PCD | Partition Control Descriptor |
| PCD | Passive Cavitation Detection |
| PCD | PolyCrystaline Diamond |
| PCEA | Permissible Current Expressed in Amperes |
| PCF | Photonic Crystal Fan |
| PCI | Peripheral component interconnect (PCI Card) |
| PCI | Peripheral Component Interface |
| PCIC | Photonic Crystal Integrated Circuit |
| PCM | Pacific-Rim Conference on Multimedia |