Wiktionary
potassium carbonate
n. (context inorganic compound English) The alkaline salt K2CO3, that is the major constituent of potash; it is used in the production of glass and some soaps
WordNet
potassium carbonate
n. a white salt (K2CO3) that is basic in solution; used to make glass and cleansing agents
Wikipedia
Potassium carbonate
Potassium carbonate ( K CO) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide's absorbent reaction with carbon dioxide. It is deliquescent, often appearing a damp or wet solid. Potassium carbonate is used in the production of soap and glass.