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1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 o·pi·a·nine n. Chem. An alkaloid (C22H23NO7) found in small quantity in opium.  It is identical with narcotine.  It is present in amounts up to 11% in Papaver somniferum, and is used clinically as an antitussive. --MI11
 Syn: -- noscapine; narcosine; opian.
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