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petroleum jelly
petroleum jelly Jar of petroleum jelly.

petroleum jelly

chemical compound
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Also known as: petrolatum
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Also called:
Petrolatum
Related Topics:
cordite
petroleum wax
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petroleum jelly, translucent, yellowish to amber or white, unctuous substance having almost no odour or taste, derived from petroleum and used principally in medicine and pharmacy as a protective dressing and as a substitute for fats in ointments and cosmetics. It is also used in many types of polishes and in lubricating greases, rust preventives, and modeling clay.

Petrolatum is obtained by dewaxing heavy lubricating-oil stocks. It has a melting-point range from 38° to 54° C (100° to 130° F). Chemically, petrolatum is a mixture of hydrocarbons, chiefly of the paraffin series.

This article was most recently revised and updated by Amy Tikkanen.