| Abbreviation | Definition |
|---|---|
| ECST | Engineering, Computer Science, and Technology |
| ECT | Educational Communication and Technology |
| ECT | Enthalpy Compound Technology |
| ECT | European Centre of Technology |
| ECTA | Emissions Control Technology Association |
| ECTB | Engineering Control Technology Branch |
| ECTC | Erosion Control Technology Council |
| ECTS | European Ceramic Technology Suppliers |
| ECWT | European Centre for Women Technology |
| EDBP | Electronic Discovery Best Practices |
| EDIT | Event Driven Interactive Technology |
| EDLT | Enterprise Distributed Ledger Technology |
| EDT | Electrostatic Dehumidification Technology |
| EDTC | Emerging Display Technologies Corporation |
| EDTC | European Diving Technology Committee |
| EDTIB | European defence technology and industrial base |
| EDTS | Elliott Davis Technology Solutions |
| EDUCATIONALTECHNOLOGIESCOMPARISON | Educational Technologies Comparison |
| EECT | Electrical Engineering and Communications Technology |
| EET | Electrical Electronics Technology |