Bible Dictionaries
Barrel Process
Webster's Dictionary
A process of extracting gold or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.
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Bibliography Information
Webster, Noah. Entry for 'Barrel Process'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/b/barrel-process.html. 1828.