| Abbreviation | Definition |
|---|---|
| EBS | Engine Braking System |
| EBU | Extended Balance Unit |
| EC | Electric Cigarette |
| ECB | Elastomeric Crack Bridging |
| ECC | ERP Central Components |
| ECC | Exclusive Channel Collaboration |
| ECCS | Elegant Car Control System |
| ECE | Expander Cycle Engine |
| ECLC | EarthCraft Light Commercial |
| ECM | Electro Chemical Machining |
| ECM | Electronic Calculating Machine |
| ECM | Electronically Commutated Motor |
| ECP | Earth Contact Products |
| ECP | Elder Care Products |
| ECP | Environmentally Conscious Product |
| ECS | Educational Construction Set |
| ECS | Electronic Controlled Suspension |
| ECSF | Enterprise Core Solution Framework (EMC) |
| ECT | Edge Crush Test |
| ECT | Electronic Cam Timing |