| Abbreviation | Definition |
|---|---|
| EKA | Electronic Knowledge Assessment |
| EKC | Electronic Key Catalogue |
| EKF | Extended Kalman Filter |
| EKM | Electronic Ketogenic Manager |
| EKMS | Electronic Key Management System |
| EKO | Electronic Knock Out |
| EKS | Electronic Key System |
| EL | Electric Light |
| EL | Experience Level |
| ELA | Electronic Level Adjustment |
| ELA | Electronic Licensing Agreement |
| ELA | Electronic Living Automation |
| ELA | Electronic Loan Application |
| ELAAU | Electric Loco Assembly and Ancillary unit |
| ELAD | Electronic Line Amplification Device |
| ELAS | Electronic Leave Accrual System |
| ELB | Electric Lunch Box |
| ELB | Electronic Line Break |
| ELBOW | Electronic Ligand Builder and Optimisation Workbench |
| ELC | Electronic Level Control |