potas'sium bicar'bonate

Chem., Pharm.
a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO3, produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in cookery as a leavening agent and in medicine as an antacid. Also called potas'sium ac'id car'bonate.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

potassium-argon datingpotassium binoxalate
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