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potassium bicarbonate

[ puh-tas-ee-uhm bahy-kahr-buh-nit, -neyt ]

noun

, Chemistry, Pharmacology.
  1. a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO 3 , produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in baking as a leavening agent and in medicine as an antacid.


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Word History and Origins

Origin of potassium bicarbonate1

First recorded in 1870–75
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Example Sentences

Alkalies—sodium salicylate, potassium bicarbonate, liquor potassæ, and lithium carbonate.

Letzerich recommended the insufflation of quinia twice daily, using the quinia muriate with potassium bicarbonate and gum-arabic.

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