Noun:

1. a potassium compound often used in agriculture and industry

caustic potash苛性钾

potassium hydroxiden.[化]氢氧化钾

1. Some people make soap with potash lye.
   也有一些人用碱液制造肥皂。
2. The nitrate is also called saltpeter, and the carbonate is called potash.
   硝酸盐亦称硝石，碳酸盐亦称钾碱。
3. In Alberta people mine and drill for oil, potash, petrol and gas.
   在亚伯达，人们采矿、打井开采石油、碳酸钾、汽油和天然气。