| TF | free thyroxine; tactile fremitus; tail flick [reflex]; temperature factor; testicular feminization; ... |
|---|---|
| PSI | posterior sagittal index; problem solving information; prostaglandin synthetic inhibitor; psychologi... |
| psi | pounds per square inch |
| y | Greek letter psi; wave function |
| DF | decapacitation factor; decontamination factor; deferoxamine; deficiency factor; defined flora [anima... |