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The definition of 'phenolphthalein' & the word 'phenolphthalein' in example sentences or phrases

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

Synonyms of the word 'phenolphthalein' & Antonyms of the word 'phenolphthalein'.