- a light tan, crystalline, water-insoluble, poisonous solid, C12H8OCl6, used as an insecticide: manufacture and use have been discontinued in the U.S.
Origin of dieldrin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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: C 12 H 8 OCl 6
C20: from Diel (s-Al) d (e) r (reaction) + -in
- A chlorinated hydrocarbon used as an insecticide and in mothproofing.
- A light tan, toxic, carcinogenic compound used as an insecticide on fruit, soil, and seed, and in controlling tsetse flies and other carriers of tropical diseases. Chemical formula: C12H8Cl6O.
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