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2 definitions found

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

 or·ce·in /ˈɔrsɪən/ 名詞
 地衣紅,苔紅素

From: Webster's Revised Unabridged Dictionary (1913)

 Or·ce·in n. Chem. A reddish brown amorphous dyestuff, C7H7NO3, obtained from orcin, and forming the essential coloring matter of cudbear and archil.  It is closely related to litmus.
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