HyperDic: phenolphthalein

English > 1 sense of the word phenolphthalein:
NOUNartifactphenolphthaleina laxative used in many preparations under various trade names
phenolphthalein > pronunciation
Soundsfeh.naalfthey'lahn; fiy.naalfthey'lahn
RhymesAachen ... Zukerman: 2572 rhymes with ahn...
English > phenolphthalein: 1 sense > noun 1, artifact
MeaningA 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.
Broaderacid-base indicatorAn indicator that changes color on going from acidic to basic solutions
laxativeA mild cathartic
Spanishfenolftaleína
Catalanfenolftaleïna

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