'Potash' definitions:
Definition of 'potash'
(from WordNet)
noun
A potassium compound often used in agriculture and industry [syn: potash, caustic potash, potassium hydroxide]
Definition of 'Potash'
From: GCIDE
- 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]