| Term | Full Form | Category |
|---|---|---|
| ECTI | Effectively Connected Taxable Income | Others |
| ECTI | Eighteenth Century Theory and Interpretation | Others |
| ECTI | Electronically Controlled Transmission with Intelligence | Others |
| ECTI | Engine City Technical Institute | Others |
| ECTI | Enterolobium contortisiliquum trypsin inhibitor | Others |
| ECTI | European Conference on Trapped Ions | Others |
| ECTI | Export Compliance Training Institute | Others |