bucking

Buck"ing, n. 1. The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used. Tomlinson. 2. A washing. 3. The process of breaking up or pulverizing ores. Bucking iron (Mining), a broad-faced hammer, used in bucking or breaking up ores. -- Bucking kier (Manuf.), a large circular boiler, or kier, used in bleaching. -- Bucking stool, a washing block.

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