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Meaning of phenolphthalein | Babel Free

Noun CEFR C2
/ˌfiː.nɒlˈ(f)θa.liːn/

Definitions

A white or yellowish-white crystalline compound C₂₀H₁₄O₄ used in medicine as a laxative and in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids.

countable, uncountable

Equivalents

CEFR level

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

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