permethrin

名词 n.
中文释义

英文释义

名词 n.
  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. countable,uncountable

词形变化

permethrins plural

词源

Etymology tree
Proto-Indo-European *per-der.
Proto-Italic *peri-
Latin per-
Latin meō
Latin perme(ō)
English -thrin
English permethrin
From Latin perme(ō) (“to pervade”) + English -thrin.
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