sodium carbonate
noun [ U ] chemistry specialized uk/ˌsəʊ.di.əm ˈkɑː.bən.eɪt/ us/ˌsoʊ.di.əm ˈkɑːr.bən.eɪt/
碳酸钠
a chemical compound used as a water softener and in foods and industry, in the form of white powder or crystals
Compare: soda