- 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. 2018
Examples from the Web for ore dressing
Jiggers and vanners form the staple of the miner's ore-dressing machinery at the present day.
The vanning spade and shallow washing dish are the prototypes of this kind of ore-dressing machinery.
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
- 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