Definition of "asphaltum" [asphaltum]

• Asphalt (noun)

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• "He even used the tar from the seepage, known as asphaltum, to waterproof two of his ships, just as the native Chumash Indians did with their canoes."
• "The roofing paper prepared with distilled tar is perhaps most suitably called asphaltum paper, as this has been used in its manufacture."
• "The tar pits contain L.A.’s earliest resource, pitch as in “pitch black”, which is really solidified petroleum, also called asphaltum, a thick layer of goo between the surface and L.A.’s later, deeper resource, oil."