| Abbreviation | Definition |
|---|---|
| SEWES | Sensors And Electronic Warfare Engagement Simulation |
| SEXAFS | Surface Extended X-ray Absorption Fine Structure |
| SEZ | Single Ended Impedance |
| SF | Simple Flux |
| SF | Step Frequency |
| SF | Summed Frequency |
| SF | Super Fluorescence |
| SFB | Sequential Frequency Band |
| SFB | Symmetry Breaking Force |
| SFC | Sigma Frequency Control |
| SFC | Supercritical Fluid Chromatography |
| SFCS | Shop Floor Control System |
| SFCSI/F | Shop Floor Control System Interface |
| SFD | Stacking Fault Density |
| SFDR | Spurious-Free Dynamic Range |
| SFEC | San Francisco Electrical Code |
| SFF | Small Form Factor |
| SFG | Sum Frequency Generation |
| SFJ | Single Fibre Jitter |
| SFM | Scanning Force Microscopy |