Etymology
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ephedrine (n.)

1889, named 1887 by Japanese organic chemist Nagai Nagayoshi (1844-1929), from the plant ephedra, from which it was first extracted, + chemical suffix -ine (2).

updated on September 20, 2012

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Definitions of ephedrine from WordNet

ephedrine (n.)
white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma;
From wordnet.princeton.edu, not affiliated with etymonline.