asphaltum

English

Noun

asphaltum (countable and uncountable, plural asphaltums)

1. Archaic form of asphalt.
   • 1893, Scientific American: Supplement‎^[1], volume XXXVI, Petroleum and Asphalt in California, page 14739:

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