1. Noun
The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
2. Noun
The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
3. Noun
a potassium compound often used in agriculture and industry
Vocabulary classified under Chemistry
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