| Abbreviation | Definition |
|---|---|
| ECU | Electrical Control Unit |
| ECU | Electronic Coupling Unit |
| ECU | Experiment Control Unit |
| ED | Edge Distance |
| ED | EDit |
| ED | Engineering Directive |
| ED | Explosive Device |
| EDA | Electronic Display Assembly |
| EDA | Elevation Drive Assembly |
| EDAX | Energy Dispersive Analysis of X-rays |
| EDB | Environmental Data Book |
| EDC | Electro-chemical Depolarized CO2 |
| EDC | Engineering Design Change |
| EDCP | Engineering Design Change Proposal |
| EDDR | Electron Dipole-Dipole Reservoir |
| EDF | Engineering Data File |
| EDL | Entry, Descent, and Landing |
| EDL | Ethernet Data Link |
| EDLN | Engineering Development Logic Network |
| EDM | Electro-Discharge Machining |