| Abbreviation | Definition |
|---|---|
| ENOS | Electronic Notice Of Sale |
| ENP | Electric Neural Projectile |
| ENP | Electronic News Processing |
| ENP | electronic nuclear polarization |
| ENPS | Electronic News Production System |
| ENR | Electronic Noise Reduction |
| ENROL | Electronic Network Registration and On Line |
| ENS | Electronic Network Systems |
| ENT | Electrical Nonmetallic Tubing |
| ENVD | electronic National Vendor Declaration |
| ENVI | Electric and Networked Vehicle Institute |
| EO | Eccentric Oil |
| EO | Electro-Optic |
| EOA | Electronic Occupancy Agreement |
| EOBR | Electronic on board recorder |
| EOBR | Electronic On Board Recorders |
| EOBR | Electronic On-Board Recorder |
| EOC | Elastic Optic Coefficient |
| EOCB | Electrical Optical Circuit Boards |
| EOCR | Electronic Order Confirmation Record |