a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
同义词：carbon black, soot, smut, crock
lampblack详细解释
lamp.black n.（名词）Fine soot collected from incompletely burned carbonaceous materials, used as a pigment and in matches, explosives, lubricants, and fertilizers.Also called blacking 油烟：从含碳物质的不完全燃烧中收集的黑煤烟，可用作颜料和用于火柴、爆破、润滑和施肥中也作 blacking
