soda ash soda alum • soda ball · · · Info · Definitions · Synonyms · Characters · · soda ash · · Text Common · · Latin · · Scripts 8 · · Length Definitions · · · (noun) a sodium salt of carbonic acid; used in making soap powders and glass and paper. Synonyms: sodium carbonate, washing soda, sal soda, soda. · · Noun Definition 1 Synonyms · · · sodium carbonate · · Synonym 1 washing soda · · Synonym 2 sal soda · · Synonym 3 soda · · Synonym 4 pop · · Synonym 5 soda pop · · Synonym 6 soda water · · Synonym 7 tonic · · Synonym 8 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 h latin small letter h U+0068 o latin small letter o U+006F s latin small letter s U+0073