ephedrine

[ ih-fed-rin, ef-i-dreen, -drin ]
/ ɪˈfɛd rɪn, ˈɛf ɪˌdrin, -drɪn /
|

noun Pharmacology.

a white, crystalline alkaloid, C10H15N, obtained from a species of Ephedra or synthesized: used in medicine chiefly for the treatment of asthma, hay fever, and colds.

Nearby words

  1. ephebe,
  2. ephebiatrics,
  3. ephebic,
  4. ephebus,
  5. ephedra,
  6. ephelis,
  7. ephemera,
  8. ephemeral,
  9. ephemerality,
  10. ephemerid

Origin of ephedrine

1885–90; < New Latin Ephedr(a) ephedra + -ine2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ephedrine

  • Combination of ephedrine and homatropine hydrochlorates (100:1).

    Merck's 1899 Manual|Merck &amp; Co.


British Dictionary definitions for ephedrine

ephedrine

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: C 6 H 5 CH(OH)CH(NHCH 3)CH 3

Word Origin for ephedrine

C19: from New Latin ephedra + -ine ²

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ephedrine

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).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for ephedrine

ephedrine

[ ĭ-fĕdrĭn, ĕfĭ-drēn′ ]

n.

An odorless crystalline or powdered alkaloid isolated from shrubs of the genus Ephedra or made synthetically and used in the treatment of allergies and asthma.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ephedrine

ephedrine

[ ĭ-fĕdrĭn, ĕfĭ-drēn′ ]

A white, odorless, powdered or crystalline alkaloid isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma. Chemical formula: C10H15NO.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.