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

  • n. Sodium carbonate in powdery white form, used especially as an industrial chemical.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. industrial-grade sodium carbonate

from the GNU version of the Collaborative International Dictionary of English

  • n. crude sodium carbonate; -- so called because formerly obtained from the ashes of sea plants and certain other plants, as saltwort (Salsola). See under Sodium.

from The Century Dictionary and Cyclopedia

  • n. The trade-name of sodium carbonate. See soda.

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

  • n. a sodium salt of carbonic acid; used in making soap powders and glass and paper


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