Pronunciation · Spelling · Definition
How to say: phenolphthalein
Spelling:
Phenolphthalein
Syllables
phenolphthalein
US accent
/fˈɛnəlfθˌæliːn/
UK accent
/fˈɛnəlfθˌaliːn/
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Definition
Definition — 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