n.a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
同义词：carbon blacklampblacksootsmutcrock
英汉双解大词典
lampblack/ˈlæmpˌblæk/
1.
N（名词）
a finely divided form of almost pure carbon produced by the incomplete combustion of organic compounds, such as natural gas, used in making carbon electrodes and dynamo brushes and as a pigment 炭黑