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
Sorry, no etymologies found.