/ Dictionary / Index C chlordecone: Meaning and Definition of Find definitions for: chlor•de•cone Pronunciation: (klôr'di-kōn", klōr'-), [key] — n. a highly toxic pesticide, CHO, causing nerve damage in humans, that is believed to contaminate waterways: no longer widely used. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chlordane chlordiazepoxide Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language