[pe-truh-ley-tuh m, -lah-] /ˌpɛ trəˈleɪ təm, -ˈlɑ-/

a yellowish or whitish, translucent, gelatinous, oily, semisolid, amorphous mass obtained from : used as a lubricant, rust preventive, in the manufacture of cosmetics, and in medicine as a protective dressing, emollient, and ointment base.
a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing Also called mineral jelly, petroleum jelly

petrolatum pet·ro·la·tum (pět’rə-lā’təm)
See petroleum jelly.


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