dross

[ draws, dros ]
/ drɔs, drɒs /

noun

waste matter; refuse.
Metallurgy. a waste product taken off molten metal during smelting, essentially metallic in character.
British. coal of little value.

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Origin of dross

before 1050; Middle English dros(se), Old English drōs; cognate with Middle Dutch droes dregs; compare Middle English drōsen,Old English drōsna; cognate with Middle High German truosen husks
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dross

British Dictionary definitions for dross

dross
/ (drɒs) /

noun

the scum formed, usually by oxidation, on the surfaces of molten metals
worthless matter; waste

Derived forms of dross

drossy, adjectivedrossiness, noun

Word Origin for dross

Old English drōs dregs; related to Old High German truosana
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012