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cyclodiene

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

noun

Chemistry.

  1. 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.

Etymology

Origin of cyclodiene

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.