potash
noun
- potassium carbonate (esp. when obtained from wood ashes)
- potassium hydroxide
- any substance containing potassium; esp., salts derived from natural brines, distillery waste, flue dusts of blast furnaces, etc., whose potassium content is expressed in terms of KO: used in fertilizers, soaps, etc.
See potash in American Heritage Dictionary 4
(pŏtˈăshˌ)
noun- See potassium carbonate.
- See potassium hydroxide.
- Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.
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