| opianic | <chemistry> Of, pertaining to, or designating, an organic acid obtained by the oxidation of narcotine. Origin: From Opium. Source: Websters Dictionary (01 Mar 1998) |
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| opianine | <chemistry> An alkaloid found in small quantity in opium. It is identical with narcotine. Source: Websters Dictionary (01 Mar 1998) |
| opianyl | <chemistry> Same as Meconin. Origin: Opianic + -yl. Source: Websters Dictionary (01 Mar 1998) |