Petrolatum

Definition of Petrolatum

Pet`ro`la´tum
n.1.(Chem. & Pharm.) A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments.

Related Words

cordite, jelly, mineral jelly, mixture, petrolatum gauze, petroleum jelly, Vaseline
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