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dieldrin
[ deel-drin ]
noun
, Chemistry.
- 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.
dieldrin
/ ˈdiːldrɪn /
noun
- 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
dieldrin
/ dēl′drĭn /
- 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: C 12 H 8 Cl 6 O.
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Word History and Origins
Origin of dieldrin1
First recorded in 1945–50; Diel(s-Al)d(e)r (reaction) ( def ) + -in 2
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Word History and Origins
Origin of dieldrin1
C20: from Diel ( s-Al ) d ( e ) r ( reaction ) + -in
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