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A nonnarcotic alkaloid obtained from the opium poppy, C20H21NO4, structurally distinct from morphine and other opiates, used in its hydrochloride form to relieve spasms of smooth muscle.
[Latin papāver, poppy + -ine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) a white crystalline almost insoluble alkaloid found in opium and used as an antispasmodic to treat coronary spasms and certain types of colic. Formula: C20H21NO4
[C19: from Latin papāver poppy]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pa•pav•er•ine(pəˈpæv əˌrin, -ər ɪn, pəˈpeɪ vəˌrin, -vər ɪn)
a white, crystalline alkaloid, C20H21NO4, used as a smooth-muscle relaxant.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||papaverine - an alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive|
muscle relaxant - a drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actions
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