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permethrin

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permethrin

One entry found.

Main Entry: per·meth·rin

Pronunciation: \(ˌ)pər-ˈme-thrən\

Function: noun

Etymology: per- + methyl + pyrethrin

Date: 1976

: a synthetic pyrethroid C₂₁H₂₀Cl₂O₃ used especially as an insecticide

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