- sodium bicarbonate
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Chem., Pharm.a white, crystalline, water-soluble solid, in powder or granules, NaHCO3, usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid. Also called bicarbonate of soda, baking soda, sodium acid carbonate.[1880-85]
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Universalium. 2010.