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diazinon Syllabification: di·az·i·non
Pronunciation: /dīˈazəˌnän/

Definition of diazinon in English:


An organophosphorus insecticide derived from pyrimidine.
Example sentences
  • Recommended chemical treatments include such common insecticides as permethrin, malathion, diazinon and sevin.
  • These results are consistent with the DNA damage detected in the lymphocytes in peripheral blood in 8 individuals, following residential exposure to the organophosphorus insecticides chlorpyrifos and diazinon.
  • Insecticides - most commonly carbaryl, diazinon, and malathion - were detected more frequently in urban streams than in agricultural streams.


Mid 20th century: from diazine (see di-1, azine) + -on (suffix of unknown origin).

Definition of diazinon in:
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