cyanide process

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cyanide process

n.
A process of extracting gold or silver from ores by treating them with a solution of sodium cyanide or calcium cyanide.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cyanide process

n
(Metallurgy) a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide. Also called: cyaniding
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cy′anide proc`ess


n.
a process for extracting gold or silver from ore by dissolving the ore in an alkaline solution of sodium cyanide or potassium cyanide and precipitating the gold or silver.
[1885–90]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cyanide process - an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution
industrial process - a systematic series of mechanical or chemical operations that produce or manufacture something
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References in periodicals archive ?
The Macarthur-Forrest Process is the most common method of extracting silver and gold from their ores.