dross Synonyms

slag impurity scoria wastes sinter shagreen sediment scum scruff scrap scobs sawdust rubble rubbish residuum soot sullage sweepings impurities scraps flotsam and jetsam Cinders dreck contaminant waste matter crap leftovers grounds remains dregs waste trash residue refuse recrement dust draff dirt detritus debris dairyman coom clinker cinder chaff calx basicity ashes argol filth