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ore dressing

noun
1.
Metallurgy. the mechanical processes by which valuable minerals are separated from ore.
Origin of ore dressing
1860-1865
1860-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for ore-dressing
Historical Examples
  • The vanning spade and shallow washing dish are the prototypes of this kind of ore-dressing machinery.

    Twentieth Century Inventions George Sutherland
  • He pursues methods in ore-dressing at which those who are trained in the usual practice may well stand aghast.

    Edison, His Life and Inventions Frank Lewis Dyer and Thomas Commerford Martin
  • Jiggers and vanners form the staple of the miner's ore-dressing machinery at the present day.

    Twentieth Century Inventions George Sutherland
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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Word Value for ore

3
3
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