D defs.my
Entry 3 senses Webster, 1913

Bucking

· Buck·ing · IPA /ˈbʌkɪŋ/
01 n. The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used.
  1. 1.
    The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used.
  2. 2.
    A washing.
  3. 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.