from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various forms of sodium carbonate.
  • noun Chemically combined sodium.
  • noun A refreshment made from carbonated water, ice cream, and usually a flavoring.
  • noun Games The card turned face up at the beginning of faro.

from The Century Dictionary.

  • noun Sesquicarbonate or normal carbonate of sodium (Na2CO3); soda-ash: the latter being the common name of the commercial article, one of the most, if not the most, important of all the Products of chemical manufacture.
  • noun Soda-water.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Sodium oxide or hydroxide.
  • noun Popularly, sodium carbonate or bicarbonate. Sodium bicarbonate is also called baking soda
  • noun same as sodium, used in terms such as bicarbonate of soda.
  • noun same as soda water.
  • noun a non-alcoholic beverage, sweetened by various means, containing flavoring and supersaturated with carbon dioxide, so as to be effervescent when the container is opened; -- in different localities it is variously called also soda pop, pop, mineral water, and minerals. It has many variants. The sweetening agent may be natural, such as cane sugar or corn syrup, or artificial, such as saccharin or aspartame. The flavoring varies widely, popular variants being fruit or cola flavoring.
  • noun sodium hydroxide.
  • noun [Colloq.] sodium bicarbonate.
  • noun See Sodium carbonate, under Sodium.
  • noun (Min.) a mineral consisting of the hydrous sulphate of alumina and soda.
  • noun crude sodium carbonate; -- so called because formerly obtained from the ashes of sea plants and certain other plants, as saltwort (Salsola). See under Sodium.
  • noun an apparatus for drawing soda water, fitted with delivery tube, faucets, etc.
  • noun a lye consisting essentially of a solution of sodium hydroxide, used in soap making.
  • noun See Nitratine.
  • noun salts having sodium for the base; specifically, sodium sulphate or Glauber's salts.
  • noun the waste material, consisting chiefly of calcium hydroxide and sulphide, which accumulates as a useless residue or side product in the ordinary Leblanc process of soda manufacture; -- called also alkali waste.
  • noun [Colloq.] sodium carbonate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun uncountable Sodium carbonate.
  • noun uncountable Sodium in chemical combination.
  • noun uncountable Carbonated water (originally made with sodium bicarbonate).
  • noun US, uncountable Any carbonated (usually sweet) soft drink.
  • noun US, countable A glass, bottle or can of this drink.

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

  • noun a sodium salt of carbonic acid; used in making soap powders and glass and paper
  • noun a sweet drink containing carbonated water and flavoring


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

[Middle English sode, soda, saltwort, soda, from Old Italian soda, perhaps from Arabic suwayd, soda, soda-plant or suwayda, type of saltwort; see šwd in Semitic roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Italian soda, from Arabic suwwad (saltwort).


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