cyclodiene

American

[sahy-kluh-dahy-een, -dahy-een] / ˌsaɪ kləˈdaɪ in, -daɪˈin /

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.

First recorded in 1940–45; cyclo- + diene

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023