Found 2 items, similar to potash.
English → English (WordNet) Definition: potash potash n : a potassium compound often used in agriculture and industry [syn: caustic potash, potassium hydroxide]
English → English (gcide) Definition: Potash Potash \Pot"ash`\, n. [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, either as a strong solution (lye), or as a white crystalline (pearlash). [1913 Webster]