| Abbreviation | Definition |
|---|---|
| ECT | Engine Coolant Temperature |
| ECT | European Continental Type |
| ECU | Engine Control Unit |
| ECW | Enameled Copper Wire |
| ED | Elna Disc |
| EDC | Electronic Dampening Control |
| EDF | Electric Ducted Fan |
| EDHR | Ejector Driven Heating and Refrigerating |
| EDIS | Electronic Distributorless Ignition System |
| EDL | Emulsified Dust Layer |
| EDL | Extreme Duty Lubricant |
| EDLP | Every Day Low Prices |
| EDM | Electric Discharge Machine |
| EDM | Electrical Discharge Machining |
| EDP | Eau de Parfum |
| EDP | Entrance Door Plate |
| EDP | Exclusive Diamond Products |
| EDSS | Eastern Data Secure Solutions |
| EER | Energy Efficiency Rating |
| EES | Electronic Enhanced Soaker |