noun \i-ˈfe-drən, British also ˈe-fə-drən\

Definition of EPHEDRINE

:  a crystalline sympathomimetic alkaloid C10H15NO extracted from Chinese ephedras or synthesized and usually used in the form of a salt especially as a bronchodilator and decongestant


New Latin Ephedra
First Known Use: 1889

Other Biochemistry Terms

bile, biodegradable, capsaicin, keratin, metabolism


noun \i-ˈfed-rən, British also ˈef-ə-drən\   (Medical Dictionary)

Medical Definition of EPHEDRINE

: 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 2, pseudoephedrine


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