washing soda
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washing soda
n.
A hydrated sodium carbonate used as a general cleanser.
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.
washing soda
n
(Elements & Compounds) the crystalline decahydrate of sodium carbonate, esp when used as a cleansing agent
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
so′dium car′bonate
n.
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.
[1865–70]
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Noun | 1. | washing soda - 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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