- Abbreviation for filtration fraction.* * *degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor; field of Forel; filtration fraction; fine fiber; fine focus; finger flexion; finger-to-finger; fixation fluid; flat feet; flip-flop; fluorescent focus; follicular fluid; force fluids; forearm factor; forearm flow; forward flexion; foster father; free fraction; fresh frozen; fundus firm
* * *FF abbr1) fat free2) filtration fraction
Medical dictionary. 2011.