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单词 ephedrine
释义

ephedrine

noun

ephed·​rine i-ˈfe-drən How to pronounce ephedrine (audio)
 British also  ˈe-fə-drən
: a crystalline alkaloid C10H15NO extracted from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine and is usually used in the form of its hydrochloride or sulfate as a bronchodilator, nasal decongestant, and vasopressor see ma huang, pseudoephedrine

Example Sentences

Recent Examples on the Web Many nations tried to halt meth production by choking supplies of precursors, usually ephedrine and pseudoephedrine, best known for being used in decongestant medicines. Grant Peck, Anchorage Daily News, 30 May 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Champagne explains that products such caffeine and ephedrine — touted for metabolism-boosting and weight loss — may negatively affect metabolism, and are potentially dangerous for some. Washington Post, 26 Aug. 2021 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 See More

Word History

Etymology

New Latin Ephedra

First Known Use

1889, in the meaning defined above

Medical Definition

ephedrine

noun

ephed·​rine
i-ˈfed-rən, British also ˈef-ə-drən
: a crystalline alkaloid C10H15NO extracted from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine and is usually used in the form of its hydrochloride C10H15NO·HCl or sulfate (C10H15NO)2·H2SO4 as a bronchodilator, nasal decongestant, and vasopressor see ephedra sense 2, pseudoephedrine
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更新时间:2025/2/11 19:28:47