asphaltum

[ as-fawl-tuhm or, especially British, -fal- ]

noun

Origin of asphaltum

<New Latin <Greek ásphaltonasphalt

According to others, asphaltum consists almost entirely of asphaltene.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I | Arnold Cooley
I found, in examining the mineralogy of the coast, masses of detached limestone, containing fissures filled with asphaltum.
Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 | Henry Rowe Schoolcraft
Asphalt, or asphaltum, the most common variety of bitumen; also called mineral pitch.
The New Gresham Encyclopedia. Vol. 1 Part 2 | Various
asphaltum, for instance, besides that it is a changeable and never thoroughly drying pigment, is too transparent for depth.
Blackwood's Edinburgh Magazine, Volume 57, No. 356, June, 1845 | Various
A good blacking for boilers and smokestacks is asphaltum dissolved in turpentine.
Farm Engines and How to Run Them | James H. Stephenson

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