ALL meanings of dieldrin
diel·drin
D d - noun dieldrin a light tan, crystalline, water-insoluble, poisonous solid, C 12 H 8 OCl 6 , used as an insecticide: manufacture and use have been discontinued in the U.S. 1
- noun dieldrin a crystalline insoluble substance, consisting of a chlorinated derivative of naphthalene: a contact insecticide the use of which is now restricted as it accumulates in the tissues of animals. Formula: C12H8OCl6 0
- noun dieldrin a highly toxic, long-lasting insecticide, C12H8OCl6, restricted by law to nonagricultural use 0
- noun dieldrin (organic chemistry) A cyclodiene insecticide, related to aldrin, that is a persistent organic pollutant. 0