noun
: a dye C 21 H 18 O 5 S of the sulfonephthalein series derived from ortho -cresol that is obtained as a reddish brown crystalline powder and is used as an acid-base indicator
noun
: a dye C 21 H 18 O 5 S of the sulfonephthalein series derived from ortho -cresol that is obtained as a reddish brown crystalline powder and is used as an acid-base indicator
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012