black powder that is produced when wood, coal, etc. is burnt see also sooty煤煙子;油煙 The fireplace was blackened with soot. 壁爐被煤煙子弄黑了。 a cloud of smoke and soot 一團煙塵 Her face was streaked with soot. 她的臉上布滿了煤煙。
Word OriginOld English sōt, of Germanic origin; related to German dialect Sott, from an Indo-European root shared by the verb sit.