opianine
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o´pi`a`nine
| n. | 1. | (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. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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