| RMSD | root-mean-square deviation |
|---|---|
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
| VD | vapor density; vascular disease; vasodilation, vasodilator; venereal disease; venous dilatation; ven... |
| NSD | Nasal septal deviation |
| ISA | 1) Intrinsic Sympathomimetic Activity 2) Industrial Standard Architecture... |