dross
noun
[ drɒs ]
• something regarded as worthless; rubbish.
• "there are bargains if you have the patience to sift through the dross"
Similar:
junk,
debris,
chaff,
draff,
detritus,
flotsam and jetsam,
rubbish,
trash,
garbage,
dreck,
grot,
• foreign matter, dregs, or mineral waste, in particular scum formed on the surface of molten metal.
• "alchemists tried to create gold from dross"
Origin:
Old English drōs (in the sense ‘scum on molten metal’); related to Dutch droesem and German Drusen ‘dregs, lees’.