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Meaning of phenolphthalein

phe•nol•phthal•ein

Pronunciation: (fē"nôl-thal'ēn, -ē-in, -fthal'-, -nol-), [key]
— n. Chem., Pharm.
  1. a white, crystalline compound, CHO, used as an indicator in acid-base titration and as a laxative.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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