papaverine: Meaning and Definition of

pa•pav•er•ine

Pronunciation: (pu-pav'u-rēn", -ur-in, pu-pā'vu-rēn", -vur-in), [key]
— n. Pharm.
  1. a white, crystalline, nonnarcotic, alkaloidal powder, CHNO, obtained from opium, but not a morphine derivative and not habit-forming or addicting, used in the treatment of spasms of involuntary muscle, esp. of the stomach, bronchi, and arteries.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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