Definition from Wiktionary, the free dictionary
- the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer
- (chemistry) an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
- (chemistry, archaic) in the names of compounds of the form "... of potash", potassium (for example, "permanganate of potash" = potassium permanganate)
potassium carbonate etc
- Krueger, Dennis (December 1982). "Why On Earth Do They Call It Throwing?" Studio Potter Vol. 11, Number 1.