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

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

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 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.

The question in ore dressing really is whether air can be made to work as well as water.

From The Galaxy, May, 1877 Vol. XXIII.—May, 1877.—No. 5. by Various

It is the foundation of the art of ore dressing, one of the most important parts of metallurgy.

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