| 单词 | phenolphthalein |
| 释义 | phenolphthalein /fee'nawl thal"een, -ee in, -fthal"-, -nol-/, n. Chem., Pharm. a white, crystalline compound, C20H14O4, used as an indicator in acid-base titration and as a laxative. [1870-75; PHENOL + PHTHALEIN] |
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