Definition of "potassium bicarbonate" []

• A compound, KHCO3, in the form of a white powder or colorless crystals, used in baking powder and as an antacid medicine. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.