- 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 potassium acid carbonate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A compound in the form of a white powder or colorless crystals, used in baking powder and as an antacid medicine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.