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meconin |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Meconin \Mec"o*nin\, n. [Cf. F. m['e]conine.] (Chem.) 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.