| VD | vapor density; vascular disease; vasodilation, vasodilator; venereal disease; venous dilatation; ven... |
|---|---|
| NSD | Nasal septal deviation |
| BLS | Basic Life Support |
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
| BASIC | Beginner's All-Purpose Symbolic Introduction Code |