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petrolatum vs. petroleum

[pe-truh-ley-tuhm, -lah-] / ˌpɛ trəˈleɪ təm, -ˈlɑ- /

noun

  1. a yellowish or whitish, translucent, gelatinous, oily, semisolid, amorphous mass obtained from petroleum: used as a lubricant, rust preventive, in the manufacture of cosmetics, and in medicine as a protective dressing, emollient, and ointment base.

[puh-troh-lee-uhm] / pəˈtroʊ li əm /

noun

  1. an oily, thick, flammable, usually dark-colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling: used in a natural or refined state as fuel, or separated by distillation into gasoline, naphtha, benzene, kerosene, paraffin, etc.