| Abbreviation | Definition |
|---|---|
| ECSN | Electronic Components Supply Network |
| ECSRK | Electrical Connector Supplemental Repair Kit |
| ECT | Eddy-current testing |
| ECT | Electrical Capacitance Tomography |
| ECT | Electronic Combustion Tracking |
| ECT | electronic controlled transmission |
| ECT | Electronically Controlled Transmission |
| ECT | Exponential Chirp Transform |
| ECTD | Electronic Common Technical Document |
| ECTD | electronic Common Technical Documents |
| ECTF | Electronic Crimes Task Forces |
| ECTM | Electric Cars Trucks Machines |
| ECTM | Electronic Components Technology and Materials |
| ECTMS | Electronic Clinical Trial Management System |
| ECTN | Electronic Cargo Tracking Note |
| ECTN | Electronic Cargo Tracking Notes |
| ECTR | Electronic Cattle Transaction Reporting |
| ECTS | Electronic Cargo Tracking System |
| ECU | Electric Combustion Unit |
| ECU | Electronic Camber Unit |