from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The radical group HCO3 or a compound, such as sodium bicarbonate, containing it.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the univalent anion HCO3; any salt of carbonic acid in which only one of the hydrogen atoms has been replaced
  • n. sodium bicarbonate used as a mild antacid; bicarbonate of soda

from the GNU version of the Collaborative International Dictionary of English

  • n. A carbonate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal carbonates; an acid carbonate; -- sometimes called supercarbonate.

from The Century Dictionary and Cyclopedia

  • n. A carbonate containing two equivalents of carbonic acid to one of a base; one of the supercarbonates.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate


from Wiktionary, Creative Commons Attribution/Share-Alike License

bi- +‎ carbonate


  • Eight kilometers north of San Miguel, this delightful hotel has, to quote its brochure, "Magic water" - "45 degrees Celsius, crystalline, odorless and potable, rich in bicarbonate of soda, astringent and toning for the skin and relaxing for the nervous system."

    Between Dolores Hidalgo and San Miguel de Allende: Pozos, Atotonilco and Hacienda Taboada

  • Andrew Barnett (1978) says that sodium bicarbonate, which is commonly called baking soda, is a better buffer than lime.

    Chapter 15

  • This chemical is also commonly called bicarbonate of soda.

    Chapter 4

  • Sodium bicarbonate, sometimes called bicarbonate of soda or sodium hydrogen carbonate, is a weak alkali used in pad-batch dyeing (see Glossary) with reactive dyes.

    Chapter 7

  • This salt, commonly called bicarbonate of soda, or baking soda, is made by the Solvay process, as explained above, or by passing carbon dioxide into strong solutions of sodium carbonate:

    An Elementary Study of Chemistry

  • The aqueous vapor condensed from the air dissolves part of the carbonic acid contained therein, and carries it along, when it falls as rain upon the earth, and takes up there enough lime to form the bicarbonate, which is thus carried back to the sea.

    Scientific American Supplement, No. 358, November 11, 1882

  • "When you're at altitude, you spill a lot of bicarbonate, which is a buffer for lactic acid," he said, explaining that bicarbonate helps neutralize the burning effect of lactic acid build-up in your muscles.

    NYT > Home Page

  • The oyster's soft body covering called the mantle had increased expression of carbonic anhydrase, an enzyme that regulates pH and helps make bicarbonate, which is used to make the shell.

    Newswise: Latest News

  • Inorganic-C in rocks (such as bicarbonate and carbonate)

    Recently Uploaded Slideshows

  • Baking soda: Sodium bicarbonate has been used to clean teeth and kitchens for generations.

    Whitens, Brightens and Confuses


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