| vehicle | 1. An excipient. 2. Any medium through which an impulse is propagated. Origin: L. Vehiculum (18 Nov 1997) |
|---|---|
| vehicle emissions | Gases, fumes, vapors, and odours escaping from the cylinders of a gasoline or diesel internal-combustion engine. (12 Dec 1998) |
| vehicles | A carrier or inert medium used as a solvent (or diluent) in which the medicinally active agent is formulated and or administered. (12 Dec 1998) |