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English definition of “petroleum jelly”

petroleum jelly

noun [U] uk   us  
a clear substance made from petroleum, used as a base for medicines that are rubbed into the skin, and also for making parts in a machine move easily against each otherSpecific medicines and drugsSpecific types of drugPetroleum products especially when used as fuelFuels
(Definition of petroleum jelly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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