Bucking

Buck·ing

Bucking

n.
  1. The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used.
  2. A washing.
  3. The process of breaking up or pulverizing ores.

Phrases & Compounds
Bucking iron
a broad-faced hammer, used in bucking or breaking up ores.
Bucking kier
a large circular boiler, or kier, used in bleaching.
Bucking stool
a washing block.