[puh-pav-uh-reen, -er-in, puh-pey-vuh-reen, -ver-in]

noun Pharmacology.

a white, crystalline, nonnarcotic, alkaloidal powder, C20H21NO4, obtained from opium, but not a morphine derivative and not habit-forming or addicting, used in the treatment of spasms of involuntary muscle, especially of the stomach, bronchi, and arteries.

Origin of papaverine

1855–60; < Latin papāver poppy + -ine2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for papaverine

heroin, opiate, drug, poppy, morphine, dope, hypnotic, soporific, tar, codeine

Examples from the Web for papaverine

Historical Examples of papaverine

British Dictionary definitions for papaverine



a white crystalline almost insoluble alkaloid found in opium and used as an antispasmodic to treat coronary spasms and certain types of colic. Formula: C 20 H 21 NO 4

Word Origin for papaverine

C19: from Latin papāver poppy
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

papaverine in Medicine


[pə-păvə-rēn′, -ər-ĭn]


A nonaddictive opium derivative used medicinally to relieve spasms of smooth muscle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.