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ore dressing

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noun
  1. Metallurgy. the mechanical processes by which valuable minerals are separated from ore.
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Origin of ore dressing

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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

  • Jiggers and vanners form the staple of the miner's ore-dressing machinery at the present day.

  • 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


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, etcAlso called: mineral dressing, mineral processing
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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