| Abbreviation | Definition |
|---|---|
| DECT | Digital Enhanced Cordless Telecommunications |
| DECT | Digital Enhanced Cordless Telephone |
| DECU | Digital Electronic Control Unit |
| DED | Dark Emitting Diode |
| DEDF | Digital Electronics Developers Forum |
| DEDS | Discrete Event Dynamic Simulation |
| DEEA | Departamento de Engenharia Electrotécnica e Automação |
| DEEC | Digital Electronic Engine Control |
| DEEDS | Digital Electronics Education and Design Suite |
| DEEE | Diploma In Electrical Electronics Engineer |
| DEEE | Diploma In Electrical & Electronics Engineer |
| DEEE | Diploma in Electrical and Electronics Engineering |
| DEEO | Damaged and Exposed Electric Outlet |
| DEF | Daily Electronic Feed |
| DEFA | DharmaNet Electronic Files Archive |
| DEFT | Direct Electronic Funds Transfer |
| DEH | Direct electrical heating |
| DEHP | Digital Electronic Hearing Protection |
| DEI | Directed Electronics Inc |
| DEIS | Department of Electronics Informatics and Systems |