| UP | parallax unsharpness; ulcerative proctitis; ultrahigh purity; unipolar; upright posture; ureteropelv... |
|---|---|
| DIPI | defective interfering particle induction |
| FID | flame ionization detector; free induction decay; fungal immunodiffusion |
| FIS | forced inspiratory spirogram; free induction signal |
| IDI | immunologically detectable insulin; induction-delivery interval; inter-dentale inferius |