acid-base indicator acid-base equilibrium • acid bath · · · Info · Definitions · Characters · · acid-base indicator · · Text Common · · Latin · · Scripts 19 · · Length 7 · · Syllables Definitions · · · (noun) an indicator that changes color on going from acidic to basic solutions. Synonyms: acid-base indicator. · · Noun Definition 1 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E 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