petrolatum

(pe′trə lātəm)

noun

a greasy, jellylike substance consisting of a mixture of semisolid hydrocarbons obtained from petroleum: it is used as a base for ointments, in leather dressing, etc.

Origin: ModL < petroleum + L -atum, neut. of -atus: see -ate

See petrolatum in American Heritage Dictionary 4

noun

Origin:

Origin: From petrol

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