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Meaning & Definition of Phenolphthalein in English

English

Phenolphthalein

/finɑlfθelən/

noun

1. A laxative used in many preparations under various trade names

  • Also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below ph 8
    synonym:
  • phenolphthalein