asphaltum

/as-fawl-tuhm or, especially British, -fal-/US // æsˈfɔl təm or, especially British, -ˈfæl- //

沥青,沥青质,瀝青,榛子

Definitions

n.名词 noun

According to others, asphaltum consists almost entirely of asphaltene.
I found, in examining the mineralogy of the coast, masses of detached limestone, containing fissures filled with asphaltum.
Asphalt, or Asphaltum, the most common variety of bitumen; also called mineral pitch.
Asphaltum, for instance, besides that it is a changeable and never thoroughly drying pigment, is too transparent for depth.
A good blacking for boilers and smokestacks is asphaltum dissolved in turpentine.