Potash
Pronunciation : Pot"ash`
Part of Speech : n.
Etymology : [Pot + ash.] (Chem.) (a) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash. (b) The impure potassium carbonate obtained by leaching wood ashes, eithe
Source : Webster's Unabridged Dictionary, 1913