| Abbreviation | Definition |
|---|---|
| EMS | Enhanced Memory Specification |
| EMS | Expanded Memory System |
| EMT | Electrical Metal Tubing |
| EMT | Emergency Medical Technician |
| EMT | Extended Memory Technology |
| EMTA | Embedded Multimedia Terminal Adapter |
| End | End key |
| EOC | End Of Cycle |
| EOD | Equipment Operating Data |
| EOD | Estimated Operational Date |
| EOS | Electrical OverStress |
| EP | Economy Printer |
| EPD | Equipment Protective Device |
| EPI | ESTA Protocol Interface |
| EPIC | Electrical Process Instrumentation Control |
| EPIC | Embedded Platform for Industrial Computing |
| EPIC | Enterprise Platform for Internet Computing |
| EPIC | Explicitly Parallel Instruction CPU (Central Processing Unit) |
| EPL | Electronic Parts List |
| EPLD | Erasable Programmable Logic Device |