| Abbreviation | Definition |
|---|---|
| EDMS | Enterprise Document Management System |
| EDNi | Electro-Deposit Nickel |
| EDO | Extended Duration Orbiter |
| EDP | Electonic Data Processing |
| EDP | Embedded Data Processor |
| EDPE | Electronic Data Processing Equipment |
| EDPM | Electronic Data Processing Machine |
| EDR | Engineering Design Review |
| EDS | Electrical Distribution System |
| EDS | Emergency Detection System |
| EDS | Explosive Device System |
| EDT | Eastern Daylight Time |
| EDT | Engineering Design Test |
| EDT | Explosive Duct Tape |
| EDU | Engineering Development Unit |
| EDV | Electronic Depressurizing Valve |
| EDW | Edwards Air Force Base, California (landing site or TACAN station) |
| EDWM | Electro-chemical Depolarized CO2 Module |
| EDX | Energy Dispersive X-Ray |
| EE | End Effector |