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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



petrolatum  listen  (PEH-troh-LAY-tum)

  A thick, greasy, substance with no odor or taste made from petroleum (mixture of oily liquids found in the earth). Petrolatum is used on the skin to prevent drying and to help heal scrapes and burns. It is also used as a base for some ointments. Also called petroleum jelly.