- a medicine, allergen, or other substance that is inhaled.
- any volatile substance, as nitrous oxide, butyl nitrite, toluene, gasoline, or paint thinner, capable of being inhaled, sometimes abused for its intoxicating effect.
- inhaler.
- used for inhaling.
- (esp of a volatile medicinal formulation) inhaled for its soothing or therapeutic effect
- inhaling
- an inhalant medicinal formulation
