pyrethroid

[ pahy-ree-throid, -reth-roid ]

nounChemistry.
  1. any of several synthetic compounds that are similar to but more persistent than natural pyrethrins.

Origin of pyrethroid

1
First recorded in 1950–55; pyrethr(in) + -oid

Words Nearby pyrethroid

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British Dictionary definitions for pyrethroid

pyrethroid

/ (paɪˈriːθrɔɪd) /


noun
  1. any of various chemical compounds having similar insecticidal properties to pyrethrin

adjective
  1. of or relating to such compounds

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