lampblack noun 1verb 1forms 3 noun1 •An amorphous form of carbon made from soot (incompletely burned organic matter); used to make pigments and inks.A smudge of lampblack is made on his forehead to disfigure him and thus avert the evil eye. — 1906 verb1 •To blacken (something) using this form of carbon. formslampblacked · lampblacking · lampblacks
