单词 | ephedrine |
释义 | Word Frequency ephedrine or ephedrin (ɪˈfɛdrɪn, ˈɛfɪˌdriːn, -drɪn) noun a white crystalline alkaloid obtained from plants of the genus Ephedra: used for the treatment of asthma and hay fever; l-phenyl-2-methylaminopropanol. Formula: C6H5CH(OH)CH(NHCH3)CH3 Word origin C19: from New Latin ephedra + -ine2 |
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