thymolsulphonephthalein
Noun
Meaning
thymolsulphonephthalein (uncountable)
Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.
Noun
thymolsulphonephthalein (uncountable)
Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.