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2 definitions found

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

 pro·to·pine /ˈprotəˌpɪn/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Pro·to·pine n.  Chem. An alkaloid found in opium in small quantities, and extracted as a white crystalline substance.