| Abbreviation | Definition |
|---|---|
| ESD | Electro-Static Discharge |
| ESD | Elevated System Diagnostics |
| ESP | Emulex SCSI (Small computer System Interface) Processor |
| ESR | Equivalent Series Resistance |
| ESS | Electronic Secondary Storage |
| ESS | Enterprise Storage Server |
| ESTO | Expert System for Tuning Optimization |
| ESV | Expanded Scale Voltmeter |
| ETDSA | Extended Trusted Dynamic Storage Area |
| ETI | Experimental Theoretical Interface |
| ETM | Embedded Trace Macro cell |
| ETR | Estimated Time to Repair |
| ETRD | Ethernet To Relay Driver |
| ETSI | European Telecommunications Standards Institute |
| eUICC | embedded Universal Integrated Circuit Card |
| EUNUCH | Extreme Use of Nearly Universal Cooling Hardware |
| EUSB | EID Universal Serial Bus |
| EUSI | End-User Support Interface |
| EUSR | Embedded Ultrasonic Structural Radar |
| EUST | Enhanced User STation |