cy·clo·di·ene

[sahy-kluh-dahy-een, -dahy-een]
noun Chemistry.
any of several organic chemicals having a chlorinated methylene group bonded to two carbon atoms of a 6-membered carbon ring, used commercially in insecticides.

Origin:
1940–45; cyclo- + diene

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Cyclodiene is always a great word to know.
So is flibbertigibbet. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a chattering or flighty, light-headed person.
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Chlordane is a cyclodiene that was used extensively in home and agricultural applications.
Cyclodiene insecticides as inducers, substrates, and inhibitors of microsomal epoxidation.
Chlordane of course is a cyclodiene insecticide and is widely distributed.
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