| Abbreviation | Definition |
|---|---|
| AOV | Air-Operated Valve |
| AP | Adhesion Promoter |
| APA | Advanced Performance Algorithm |
| APA | Automatic Panel Alignment |
| APB | Anti-Phase Boundary |
| APC | Advanced Power Calibration |
| APC | Advanced Process Control |
| APC | All Pass Crossover |
| APC | Angled Polished Connector |
| APC | Automatic Power Control |
| APCD | Add-on Pollution Control Device |
| APCFI | Advanced Process Control Framework Initiative |
| APCVD | Atmospheric Pressure Chemical Vapor Deposition |
| APD | Avalanche Photo Diode |
| APEC | Advanced Power Electronics Corp |
| APEC | Advanced Process Equipment Control |
| APEC | Applied Power Electronics Conference |
| APECS | Advanced Productivity Electronic Control Strategy |
| APECS | Automated Protocol for Electromagnetic Component Separation |
| APEI | Arkansas Power Electronics International |