| CFF | Critical Flicker Frequency |
|---|---|
| CFF | Critical Flicker Fusion |
| CFF | Critical Flicker-Fusion Frequency |
| CFF | Critical Fusion Frequency |
| CFFT | Critical Flicker Fusion Threshold |
| CFI | Camberwell Family Interview |
| CFI | Chemotactic factor inactivator |
| CFIX | Cefixime |
| CFM | Cerebral Function Monitor |
| CFM | Color-flow mapping |