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3 definitions found

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

 py·re·thrin /paɪˈriθrən, ˈrɛ-/
 除蟲菊素

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

 py·re·thrin /paɪˈrɪθrən, ˈrɛθrən/ 名詞
 除蟲菊酯

From: Webster's Revised Unabridged Dictionary (1913)

 Pyr·eth·rin n.  Chem. A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
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