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Meaning of thymolphthalein | Babel Free

Noun CEFR C2

Definitions

A pH indicator that can also be used to make invisible ink.

uncountable

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

thymolsulfonephthalein thymolsulphonephthalein thymoma thymonucleate thymonucleic acid thymopentin