Permethrin meaning
A topical insecticide, C21 H20 CL2 O3 , used to treat head lice and nits, scabies, and various species of ticks.
noun
A synthetic pyrethroid, C21 H20 Cl2 O3 , used as an agricultural, industrial, and residential insecticide, to treat scabies and head lice in humans, and to control fleas and ticks in dogs.
noun
noun
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Origin of permethrin
per– (res)methrin a pyrethroid (resm- of unknown origin) ((pyr)ethrin)