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dieldrin Syllabification: diel·drin
Pronunciation: /ˈdēldrən/

Definition of dieldrin in English:


A toxic insecticide produced by the oxidation of aldrin, now largely banned because of its persistence in the environment.
Example sentences
  • Many pesticides which were once very familiar contaminants - DDT, aldrin, dieldrin, and toxaphene - have been banned in the US, Canada, and the UK.
  • DDT, dieldrin, lindane and other cancer-causing pesticides, many of them sprayed from airplanes, were not banned until 1989.
  • But some pesticides, such as dieldrin or aldicarb, can permeate the entire body of the fruit or vegetable.


1940s: blend of the name Diels (see Diels–Alder reaction) + aldrin.

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