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cyclodiene
cyclodiene (ˌsaɪkləʊˈdaɪiːn) na group of organic insecticides, many of which are banned in the US and Europecy•clo•di•ene (ˌsaɪ kləˈdaɪ in, -daɪˈin) n. any of several organic chemicals having a chlorinated methylene group bonded to two carbon atoms of a six-member carbon ring. [1940–45] |