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carbonate

American  
[kahr-buh-neyt, -nit, kahr-buh-neyt] / ˈkɑr bəˌneɪt, -nɪt, ˈkɑr bəˌneɪt /

noun

  1. a salt or ester of carbonic acid.


verb (used with object)

carbonated, carbonating
  1. to form into a carbonate.

  2. to charge or impregnate with carbon dioxide.

    carbonated drinks.

  3. to make sprightly; enliven.

carbonate British  

noun

  1. a salt or ester of carbonic acid. Carbonate salts contain the divalent ion CO 3 2–

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to form or turn into a carbonate

  2. (tr) to treat with carbon dioxide or carbonic acid, as in the manufacture of soft drinks

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
carbonate Scientific  
/ kärbə-nāt′ /
  1. A salt or ester of carbonic acid, containing the group CO 3. The reaction of carbonic acid with a metal results in a salt (such as sodium carbonate), and the reaction of carbonic acid with an organic compound results in an ester (such as diethyl carbonate).

  2. Any other compound containing the group CO 3. Carbonates include minerals such as calcite and aragonite.

  3. Sediment or a sedimentary rock formed by the precipitation of organic or inorganic carbon from an aqueous solution of carbonates of calcium, magnesium, or iron. Limestone is a carbonate rock.


  1. To add carbon dioxide to a substance, such as a beverage.

Other Word Forms

  • carbonator noun
  • noncarbonate noun
  • noncarbonated adjective
  • semicarbonate adjective
  • uncarbonated adjective

Etymology

Origin of carbonate

1785–95; carbon(ic acid) + -ate 2, later taken as -ate 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another region is rich in carbonate minerals, which often form in the presence of water and can provide clues about past watery environments.

From Science Daily • Mar. 31, 2026

In this approach, microorganisms produce cement like substances such as calcium carbonate at room temperature.

From Science Daily • Jan. 6, 2026

Some of these animals can photosynthesize like plants; some harvest algae and seawater to make calcium carbonate for their underwater castles; some produce their own light or glow in the dark.

From The Wall Street Journal • Nov. 21, 2025

The company said it is on schedule to be in production in late 2027, and will scale up in 2028 to full production of 40,000 metric tons per year of battery-quality lithium carbonate.

From MarketWatch • Oct. 16, 2025

“Dude, lime. Calcium carbonate, used in cement and a bunch of other—Ah, never mind. The point is, this ship isn’t going far unless we can fix it.”

From "The Mark of Athena" by Rick Riordan