acid-fast acid ester • acid-fastness · · · Info · Characters · · acid-fast · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Characters · · - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 f latin small letter f U+0066 i latin small letter i U+0069 s latin small letter s U+0073 t latin small letter t U+0074