| UVP | ultraviolet photometry |
|---|---|
| CFF | critical flicker fusion [test]; critical fusion frequency; cystic fibrosis factor; Cystic Fibrosis F... |
| cff | critical flicker fusion; critical fusion frequency |
| FFF | degree of fineness of abrasive particles; field-flow fractionation; flicker fusion frequency |
| FFT | fast Fourier transform; flicker fusion test or threshold |