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cyanide process

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A process of extracting gold or silver from ores by treating them with a solution of sodium cyanide or calcium cyanide.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A method of extracting gold and silver from their ores with a solution of sodium cyanide
  • n. A process of case-hardening iron or steel by immersing it in molten cyanide and then quenching in water or oil

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution

Etymologies

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Examples

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