ore dressing

American  

noun

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

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ore dressing British  

noun

1. Also called: mineral dressing.   mineral processing.  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

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Etymology

Origin of ore dressing

First recorded in 1860–65

Example Sentences

See Examples For:

ore dressing

The mechanical processes designed to separate the ore from its enclosing rock or other superfluous earthy matter called gangue became known as ore dressing and ore concentrating.

From Inventions in the Century by Doolittle, William Henry

Milling may be either ore dressing or metallurgy.

From The Business of Mining A brief non-technical exposition of the principles involved in the profitable operation of mines by Hoskin, Arthur J.

This whole subject of ore dressing is one of the most important questions connected with the future of mineral industry in America.

From The Galaxy Vol. XXIII?March, 1877.?No. 3 by Various

This is neither milling, metallurgy, nor ore dressing, but is more properly called Sorting.

From The Business of Mining A brief non-technical exposition of the principles involved in the profitable operation of mines by Hoskin, Arthur J.

Mr. A. G. Charleton, the eminent English mining engineer and author of numerous books, in discussing this question, writes, "Personally, I am of the opinion that ore dressing should be included in mining."

From The Business of Mining A brief non-technical exposition of the principles involved in the profitable operation of mines by Hoskin, Arthur J.