LAMPBLACK

lampblack. Lampblack, n. the soot of pitch

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Lamp″black′ (?), n. [[Lamp + black.]] 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.