单词 | hydrastine |
释义 | Word Frequency hydrastine(haɪˈdræstiːn, -tɪn) noun a white poisonous alkaloid extracted from the roots of the goldenseal: has been used in medicine (in the form of one of its water-soluble salts) to contract the uterus and arrest haemorrhage. Formula: C21H21NO6 Word origin C19: from hydrast(is) + -ine2 |
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