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1. Waste or impure matter: discarded the dross after recycling the wood pulp.
2. The scum that forms on the surface of molten metal as a result of oxidation.
3. Worthless, commonplace, or trivial matter: "He was wide-awake and his mind worked clearly, purged of all dross" (Vladimir Nabokov).
[Middle English dros, from Old English drōs, dregs.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Metallurgy) the scum formed, usually by oxidation, on the surfaces of molten metals
2. worthless matter; waste
[Old English drōs dregs; related to Old High German truosana]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. waste matter; refuse.
2. a waste product taken off molten metal during smelting, essentially metallic in character.
[before 1050; Old English drōs; c. Middle Dutch droes dregs]
dross′y, adj. -i•er, -i•est.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||dross - worthless or dangerous material that should be removed; "there were impurities in the water"|
|2.||dross - the scum formed by oxidation at the surface of molten metals|
scum - a film of impurities or vegetation that can form on the surface of a liquid
basic slag - slag produced in making steel; low in silica but having large amounts of calcium phosphate; useful as fertilizer
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
noun rubbish, remains, refuse, lees, waste, debris, crust, impurity, scum, dregs, scoria, recrement gold nuggets from dross
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
dross[drɒs] N (fig) → escoria f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
dross[ˈdrɒs] n (= worthless stuff) → déchets mpl
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995