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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 mec·o·nin /-ˌnɪn/ 名詞
 罌慄內酯,罌粟素

From: Webster's Revised Unabridged Dictionary (1913)

 Mec·o·nin n.  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.