sulfonate sulfonamide • sulfonation · · · Info · Definitions · Characters · · sulfonate · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a salt of sulphonic acid. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075