ore dressing

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noun

Metallurgy. the mechanical processes by which valuable minerals are separated from ore.

Origin of ore dressing

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ore dressing

  • 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.

British Dictionary definitions for ore dressing

ore dressing

noun

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

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