washing soda Listen English definition noun a sodium salt of carbonic acid; used in making soap powders and glass and paper Source: WordNet 3.0 Synonyms of washing soda Synonyms sodium carbonatesal sodasoda ashsoda All synonyms of “washing soda” by meaning Visual thesaurus More about “washing soda” Words that rhyme with washing soda How to pronounce washing soda (IPA) Syllables in washing soda Origin of washing soda Similar-sounding words washing day wax insect weeknight wykehamist Nearby words washerman washerwoman washhouse washiness washing washing day washing machine washing powder washing soda washing-up washington washington d.c. washington irving washington monument washington's birthday washingtonian washoff All words starting with W