Meconin(n.)
- A substance regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid.
Meconinic(a.)
- Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.
Meconins
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