名詞 potash:

1. a potassium compound often used in agriculture and industry
   同義詞：caustic potash, potassium hydroxide

pot.ash

n.（名詞）
See potassium carbonate
參見 potassium carbonate
See potassium hydroxide
參見 potassium hydroxide
Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.
鉀鹽：一種含鉀的化合物，尤指如下可溶性化合物：氧化鉀、氟化鉀以及各種硫酸鉀。這些化合物主要用于化肥中

來源：
Sing. of obsolete pot ashes
廢語 pot ashes的單數(shù)
translated from obsolete Dutch potaschen [from the fact that this substance was originally obtained by leaching wood ashes and evaporating the leach in a pot]
由 已廢荷蘭語 potaschen翻譯而來 [其得名原因是因為這種物質(zhì)最初是通過過濾木灰然后將木灰放在鍋中進(jìn)行蒸發(fā)而得的]