sour salt sourpuss • sour-sap · · · Info · Definitions · Characters · · sour salt · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) crystals of citric acid used as seasoning. Synonyms: sour salt. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075