| Abbreviation | Definition |
|---|---|
| EW | Echo Waveforms |
| EWR | Electromagnetic Wave Resistivity |
| EZW | Embedded Zero-tree Wavelet |
| F | Farad |
| F | Flux |
| f. | fiber(s) |
| FA | Flow Attributed |
| FA | Fusion Array |
| FAMB | Física Aplicada a Medicina e Biologia (Portuguese: Physics Applied to Medicine and Biology; Brazil) |
| FANS | Filter Analyzer Neutron Spectrometer |
| FAST | Force, Angle, Speed, Torque |
| FBAP | Function Block Application Process |
| FBG | Fiber Bragg Grating |
| FBM | Fractional Brownian Motion |
| FBP | Federal Bureau Of Physics |
| FC | Farben Centrum |
| FC | Flow Compensation |
| FC | Flow Control |
| FC | FootCandle |
| FC | Force Constant |