Share this entry

Share this page

ephedrine

Syllabification: e·phed·rine
Pronunciation: /əˈfedrin, ˈefəˌdrēn
 
/

Definition of ephedrine in English:

noun

Medicine
A crystalline alkaloid drug obtained from some ephedras. It causes constriction of the blood vessels and widening of the bronchial passages and is used to relieve asthma and hay fever.
Example sentences
  • He studied the tissue distribution and metabolism of caffeine, amphetamines, ephedrine, and narcotic drugs.
  • A 43 year old general practitioner had had juvenile asthma requiring regular ephedrine.
  • If the medicines aspirin, ephedrine, and morphine were once botanicals, how did they get to be tested and marketed as drugs?

Origin

late 19th century: from ephedra + -ine4.

Definition of ephedrine in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day ingratiate
Pronunciation: inˈɡrāSHēˌāt
verb
bring oneself into favor with someone through flattery…