Daily Almanac for
Nov 11, 2009
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cy'anide proc"ess




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 from the solution.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

cyanidecyanine
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