| EF | electric field |
|---|---|
| EF | excreted factor |
| EF | executive function |
| EF-1 | Elongation factor 1 |
| EF-1 alpha | Elongation Factor 1 alpha |
| EF-1 beta | Elongation factor 1 beta |
| EF-2 | Elongation Factor 2 |
| EF-3 | Elongation factor 3 |
| EF-G | Elongation Factor G |
| EF-T | elongation factor T |