bicarbonate

American  

[bahy-kahr-buh-nit, -neyt] / baɪˈkɑr bə nɪt, -ˌneɪt /

noun

Chemistry.

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

---

bicarbonate British  

/ 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 Scientific  

/ bī-kär′bə-nāt′ /

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

---

Etymology

Origin of bicarbonate

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

Example Sentences

See Examples For:

bicarbonate

The tribunal found Ali "failed to obtain informed consent" from Patient B through the vitamin C, oxygenated water, sodium bicarbonate and ozone therapy treatments.

From BBC ● Apr. 28, 2026

The rise of Nomio follows a recent surge in the use of sodium bicarbonate, also known as plain-old baking soda.

From The Wall Street Journal ● Feb. 12, 2026

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

From BBC ● Feb. 28, 2025

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.

From Science Daily ● Dec. 3, 2024

He flourished meats and bread baked the day before, dusted a table, invited himself to sit, and ate until he had to go find a soda fountain, where he ordered a bicarbonate.

From "The Martian Chronicles" by Ray Bradbury