asphaltum

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A form of asphalt — A sticky, black to brown and highly viscous liquid or semi-solid, composed almost entirely of bitumen with small mineral particles, that is present in most crude petroleums and in some natural deposits.

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Meanings

nounasphaltum (countable and uncountable, plural asphaltums)

plural asphaltums

  1. archaiccountableuncountableArchaic form of asphalt.

    These minerals are intimately incorporated with all asphaltum, pissasphalt and petroleum.

    1893, Scientific American: Supplement, volume XXXVI, Petroleum and Asphalt in California, page 14739
    1 more example

    Lewis Kirk, the inventor of the steam hammer, and John Dodsworth, of Reading, Penn. have invented a new compound which they say "experience has proved to be a superior compound for preventing friction. The invention is the union, under a high degree of heat, of oil with asphaltum, or with coal tar, or with both together.

    1847, editorial staff, “New Lubricating Compound”, in Scientific American, series 1, Volume 3, Issue 9, page 68
Cite this entry
APA

asphaltum. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/asphaltum

MLA

“asphaltum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/asphaltum. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “asphaltum,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/asphaltum.

Source: asphaltum on Wiktionary, CC BY-SA 4.0.