Meaning of phenolsulfonephthalein

phe•nol•sul•fone•phthal•ein

Pronunciation: (fē"nôl-sul"fōn-thal'ēn, -ē-in, -fthal'-, -nol-), [key]
— n. Chem.
  1. a bright to dark red crystalline compound, CHOS, slightly soluble in water, alcohol, and acetone: used as an acid-base indicator and as a diagnostic reagent in medicine. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.