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Definition of: papaverine
(pə·pav′ə·rēn, -ər·in, pə·pā′və-) noun Chem.
A white, odorless, tasteless, crystalline alkaloid, C20H21O4N, obtained from opium: used in medicine chiefly as the hydrochloride. [<L papaver poppy + -INE2]
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