noun[mass 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.
- Chemical formula: C10H15NO.
- 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?
For editors and proofreaders
Line breaks: ephe|drine
Definition of ephedrine in:
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