1. lampblack - Noun
2. lampblack - Verb
The fine impalpable soot obtained from the smoke of carbonaceous substances which have been only partly burnt, as in the flame of a smoking lamp. It consists of finely divided carbon, with sometimes a very small proportion of various impurities. It is used as an ingredient of printers' ink, and various black pigments and cements.
Source: Webster's dictionaryLampblack proved to be outstanding. Source: Internet