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2 definitions found

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

 he·li·an·thin /-ˈænθən/ 名詞
 甲基橙

From: Webster's Revised Unabridged Dictionary (1913)

 He·li·an·thin n.  Chem. An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange.