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ore dressing

noun
1.
Metallurgy. the mechanical processes by which valuable minerals are separated from ore.
Origin
1860-1865
1860-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ore-dressing

ore dressing

noun
1.
the first stage in the extraction of a metal from an ore in which as much gangue as possible is removed and the ore is prepared for smelting, refining, etc Also called mineral dressing, mineral processing
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
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3
3
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