DICT.TW Dictionary Taiwan

 lamp·black /-ˌblæk/
 油煙,煤煙,灰塵

 Lamp·black n.  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.
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 lampblack
      n : a black colloidal substance consisting wholly or principally
          of amorphous carbon and used to make pigments and ink
          [syn: carbon black, soot, smut]