Simple Definition of petroleum jelly
: an oily substance that is made from petroleum, has no taste or odor, and is used especially in products that are rubbed on the skin to help heal a wound, reduce pain, etc.
Full Definition of petroleum jelly
: a neutral unctuous odorless tasteless substance obtained from petroleum and used especially in ointments and dressings
First Known Use of petroleum jelly
Medical Definition of petroleum jelly
: petrolatum a, b
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