Protective.—A substance used for protecting the parts to which it is applied, as collodion, etc.
Pungent.—Any substance producing a sharp, pinching, penetrating effect, as ammonia.
Purgative.—A medicine causing copious evacuations of the bowels. (See [Cathartics].)
Pustulant.—A medicine which irritates and gives rise to the formation of pustules, as cantharides, croton oil, etc.
Recuperative.—A medicine which restores health and energy, as extract of malt, cod liver oil, etc.
Refrigerant.—A medicine or agent having cooling properties or the power of lowering internal or external temperature, as potassium nitrate, aconite, cold water, etc.
Relaxant.—A substance which causes relaxation of muscular tissues, as chloroform, chloral, etc.
Reparative.—A substance used to restore debilitated tissues of the body, as general tonics, nitrogenous foods, etc.
Resolvent.—A substance indicated in the treatment or absorption of hard, callous tissue, as iodine and its preparations.
Restorative.—A medicine that aids in restoring the health, as nux vomica, arsenic, etc.