sodium carbonate

Từ điển Oxford Advanced Learner 8th

sodium carbonate [sodium carbonate] BrE [ˌsəʊdiəm ˈkɑːbənət] NAmE [ˌsoʊdiəm ˈkɑːrbənət] (also ˈwashing soda) noun uncountable (symb. Na 2 CO 3)
a chemical in the form of white ↑crystals or powder that dissolves and is used in making glass, soap and paper, and for making water soft
See also: ↑washing soda