potash

views updated

potash Any of several potassium compounds, especially potassium oxide (K2O), potassium carbonate (K2CO3) and potassium hydroxide (KOH). Potash is mined for use as fertilizer because potassium is an essential element for plant growth. Potassium carbonate is used for making soap and glass, and potassium hydroxide for soap and detergents.

More From encyclopedia.com