单词 | permethrin |
释义 | per·meth·rin ![]() n. A synthetic pyrethroid, C21H20Cl2O3, used as an agricultural, industrial, and residential insecticide, to treat scabies and head lice in humans, and to control fleas and ticks in dogs. [PER- + (res)methrin, a pyrethroid (resm-, of unknown origin + (PYR)ETHRIN).] |
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