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A white powdery compound, Na2CO3, used in the manufacture of baking soda, sodium nitrate, glass, ceramics, detergents, and soap.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) a colourless or white odourless soluble crystalline compound existing in several hydrated forms and used in the manufacture of glass, ceramics, soap, and paper and as an industrial and domestic cleansing agent. It is made by the Solvay process and commonly obtained as the decahydrate (washing soda or sal soda) or a white anhydrous powder (soda ash). Formula: Na2CO3. See also washing soda, sal soda, soda ash
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. Also called soda ash. an anhydrous, grayish white, odorless, water-soluble powder, Na2CO3, used in the manufacture of glass, ceramics, soaps, paper, petroleum products, sodium salts, as a cleanser, for bleaching, and in water treatment.
2. Also called sal soda, soda, washing soda. a hydrated form of this salt, Na2CO3∙10H2O, used similarly.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||sodium carbonate - a sodium salt of carbonic acid; used in making soap powders and glass and paper|
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
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