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Meaning of barrel process | Babel Free

Noun CEFR B2

Definitions

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.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

barrel race barrel racer barrel roll barrel roof barrel sauna barrel shifter