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die off
die out
dieback
diecious
dieffenbachia
Diego
Diego Garcia
diehard
dieldrin
dielectric
dielectric constant
dielectric heating
dielectric lens
Diels-Alder reaction
diencephalon
diene
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dieldrin
diel·drin [ dldrin ]


noun 
Definition:
 
extremely toxic insecticide: an insecticide based on a chlorinated naphthalene derivative, now widely banned. C12H8OCl6
[Mid-20th century. After Otto Diels (1876-1954), German chemist + aldrin, toxic insecticide, after Kurt Alder (see Diels-Alder reaction)]
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