Meaning of thymolsulphonephthalein | Babel Free
Definitions
Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.
uncountable
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.