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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 nigrosine
 油溶黑; 苯胺黑

From: Webster's Revised Unabridged Dictionary (1913)

 Ni·gro·sine n.  Chem. A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue.