| Acronym | Definition |
|---|
| APX➣Approximately |
| APX➣Aluminium Performance Crossover |
| APX➣ascorbate peroxidase |
| APX➣Advent Portfolio Exchange (software) |
| APX➣Amsterdam Power Exchange |
| APX➣Automated Power Exchange |
| APX➣Alt Preset Extreme (MP3 encoding preset) |
| APX➣Average Page Exposure |
| APX➣Ateliers de Puteaux |
| APX➣Airborne Radar Transponder |