dieldrin
/diˈɛldrɪn/
noun
- A highly toxic chemical compound formerly used as an insecticide, now banned in many countries because of its harmful effects on the environment and health.
- The use of dieldrin has been banned in most countries due to its toxicity to wildlife and humans.
- Dieldrin was widely sprayed on crops in the 1950s and 1960s.
- Because dieldrin does not break down easily, it can remain in soil for decades.