Definition of pyrethroid in English:

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pyrethroid

Pronunciation: /pʌɪˈriːθrɔɪd/

noun

Chemistry
A pyrethrin or related insecticidal compound: don’t confuse it with pyrethroids such as permethrin [as modifier]: pyrethroid insecticides
More example sentences
  • Many of these are again pesticides such as compounds of organophosphorous, pyrethroids or carbamate.
  • The three types of pesticide used in preparations are organophosphates, carbamate and pyrethroids.
  • In general, compounds known as pyrethroids and neonicotinoids were the best performers, according to the researchers.

For editors and proofreaders

Line breaks: pyr|eth¦roid

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