bicarbonate

[bahy-kahr-buh-nit, -neyt]

noun

Chemistry.

1. a salt of carbonic acid, containing the HCO 3 −1 group; an acid carbonate, as sodium bicarbonate, NaHCO 3 .

bicarbonate

/ baɪˈkɑːbənɪt, -ˌneɪt /

noun

1. a salt of carbonic acid containing the ion HCO 3 ^– ; an acid carbonate

2. Systematic name: hydrogen carbonate. (modifier) consisting of, containing, or concerned with the ion HCO 3 ^–

   a bicarbonate compound

3. short for bicarbonate of soda

bicarbonate

1. The group HCO ₃ or a compound containing it, such as sodium bicarbonate. When heated, bicarbonates give off carbon dioxide.

Word History and Origins

Origin of bicarbonate¹

First recorded in 1810–20; bi- ¹ + carbonate

Example Sentences

More runners in the middle distances are using a supplement whose main ingredient is sodium bicarbonate—household baking soda.

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Add flour and mix well together, adding remainder of milk as required – also bicarbonate and cream of tartar.

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The researchers began by mixing two polymers with potassium bicarbonate, an acid-neutralizing compound, and silver nitrate, which forms antimicrobial nanoparticles that link the polymers together to form a gel.

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Here, gut cells release the alkaline bicarbonate that neutralizes the stomach acid, and it is here that nutrients are absorbed.

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In the presence of carbon dioxide -- that pesky gas disrupting global climate systems -- our cells gain a secret weapon in the form of bicarbonate which helps keep pH levels balanced.

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