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Definition of bicarbonate

bicarbonate

/baɪˈkɑːrbənət/
bi · car · bon · ate
Plural:bicarbonates
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bicarbonate Lexical Profile

bicarbonate Game Scores & Validity

• noun

1

A chemical salt of carbonic acid containing the ion HCO3-, in which only one of the two hydrogen atoms has been replaced by a metal or other cation.

Example

"The kidneys help regulate the body's pH balance by reabsorbing bicarbonate into the bloodstream."

2

Sodium bicarbonate, a white crystalline powder commonly used as a leavening agent in baking and as an antacid.

Example

"She dissolved a teaspoon of bicarbonate in warm water to soothe her indigestion."

Synonyms
View all synonyms for bicarbonate

• Rhymes for bicarbonate

• Nearby Words

bibrons stiletto snake
bicameral
bicarb
bicarbonate
biccy
bicentennial
biceps

Word Origin & Etymology

Coined in 1814 by the English chemist William Hyde Wollaston from the prefix 'bi-' (two) and 'carbonate', because a bicarbonate salt contains twice the proportion of carbonic acid relative to a standard carbonate.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Bicarbonate. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bicarbonate
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