| FFF | degree of fineness of abrasive particles; field-flow fractionation; flicker fusion frequency |
|---|---|
| FSP | familial spastic paraplegia; fibrin split products; fibrinogen split products; fine suspended partic... |
| mppcf | millions of particles per cubic foot of air |
| PLP | phospholipid; plasma leukapheresis; polypeptide; polystyrene latex particles; posterior lobe of pitu... |