| Abbreviation | Definition |
|---|---|
| ETI | Electrical Test Instruments |
| ETI | Electronic Technologies International |
| ETI | Electronics Today International |
| ETID | Electronic Turn In Document |
| ETID | Electronic Turn In Documents |
| ETIN | Electronic Transmitter Identification Number |
| ETIT | Electronic Telecommunication Information Technology |
| ETKA | Elektronischer TeileKAtalog |
| ETL | Electricity Transmission Line |
| ETL | Ethernet Type LAN |
| ETLA | Electric Transport in Latin America |
| ETLB | E Technical Log Book |
| ETLB | Electronic Technical Log Book |
| ETLC | Electronic Text and Literature Cloud |
| ETM | Electrical Troubleshooting Manual |
| ETM | Electronic Tap Music |
| ETM | Electronic Token Meter |
| ETM | Electronics Technology and Media |
| ETMA | Electronic Tutor Marked Assignment |
| ETMF | Electronic Trial Master Files |