Potash

n.

1.

(Chem.) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; - hence called also caustic potash.

Noun

1.

potash - a potassium compound often used in agriculture and industry Synonyms: caustic potash, potassium hydroxide

caustic potash, hydrated oxide, hydroxide, potassium hydroxide