| http://www.w3.org/ns/prov#value | - nounDefinition of SODIUM CARBONATE : a sodium salt of carbonic acid used especially in making soaps and chemicals, in water softening, in cleaning and bleaching, and in photography: as a : a hygroscopic crystalline anhydrous strongly alkaline salt Na2CO3 b : the transparent crystalline hydrate Na2CO3??10H2O found in nature as natron See sodium carbonate defined for kids First Known Use of SODIUM C
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