Barrel process

Proper noun

Definitions

1.Proper nounA process of extracting gold or silver by treating the ore in a revolving barrel or drum, with mercury, chlorine, cyanide solution, or other reagent.

Synonyms

washoe process patio process barrel plating cyanide process cyanidation cazo process bower-barff process bell process amalgam gilding electrorefining silverization pattinson's process

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