lamp|black «LAMP BLAK», noun, verb.
–n.
a fine black soot consisting of almost pure carbon that is deposited when oil, gas, etc., burns incompletely. Lampblack is used as a coloring matter in paint, ink, cement, and in making tires.
–v.t.
to paint, smear, or coat with lampblack: »
A…scoundrel who knows no pleasure beyond…lampblacking signs (Thomas Brown).
Useful english dictionary. 2012.