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phenolphthalein
 
Noun phenolphthalein has 1 sense
  1. phenolphthalein - 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
    --1 is a kind of     laxative; acid-base indicator
phenol phenol resin phenolic phenolic plastic phenolic resin phenolic urea phenology phenoloxidase phenolphthalein phenom phenomena phenomenal phenomenal phenomenally phenomeno phenomenol phenomenological

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