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WordReference Random House Learner's Dictionary of American English © 2024ˈso•di•um biˈcar•bo•nate, n. [uncountable]- Chemistry, Drugsa white powder used chiefly as an antacid, a fire extinguisher, and to make dough or batter rise in baking. Also called bicarbonate of soda, baking soda.
WordReference Random House Unabridged Dictionary of American English © 2024so′dium bicar′bonate, [Chem., Pharm.]- Chemistry, Drugsa 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, so′dium ac′id car′bonate.
Collins Concise English Dictionary © HarperCollins Publishers:: sodium bicarbonate n - a white crystalline soluble compound usually obtained by the Solvay process and used in effervescent drinks, baking powders, fire extinguishers, and in medicine as an antacid; sodium hydrogen carbonate. Formula: NaHCO3
Also called: bicarbonate of soda, baking soda
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