Wiktionary

permethrin

English

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Etymology

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From Latin perme(ō) (“to pervade”) +‎ -thrin.

Pronunciation

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Noun

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permethrin (countable and uncountable, plural permethrins)

  1. A synthetic insecticide, C₂₁H₂₀Cl₂O₃, used to treat head lice, nits, and scabies; as an active ingredient in flea collars; and to eradicate woodworm infestations.

Translations

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Further reading

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