chlordane

noun

chlor·​dane ˈklȯr-ˌdān How to pronounce chlordane (audio)
: a viscous volatile toxic liquid insecticide C10H6Cl8 formerly used in the U.S.

Examples of chlordane in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But Racine claimed at a press conference that Velsicol knew long before that that chlordane could cause cancer, as far back as 1959, yet still sold products that contained the chemical. From Usa Today Network and Wire Reports, USA TODAY, 14 Oct. 2022 City departments and environmental researchers have known about the potential harm of chlordane in the Anacostia for decades. Drew Costley, ajc, 13 Oct. 2022 Neonics, as they’re often called, are, in some respects, even more toxic than Mirex and chlordane. Elizabeth Kolbert, The New Yorker, 25 Oct. 2021 By 1951, however, German cockroaches in Corpus Christi, Texas, were resistant to chlordane. Rob Dunn, Discover Magazine, 16 Nov. 2018

Word History

Etymology

chlor- + indane (C9H10)

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of chlordane was in 1947

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Cite this Entry

“Chlordane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chlordane. Accessed 10 Sep. 2025.

Kids Definition

chlordane

noun
chlor·​dane ˈklȯ(ə)r-ˌdān How to pronounce chlordane (audio)
: a poisonous liquid insecticide formerly used in the U.S.

Medical Definition

chlordane

noun
chlor·​dane ˈklȯ(ə)r-ˌdān How to pronounce chlordane (audio)
variants also chlordan
: a viscous, volatile, liquid insecticide C10H6Cl8 formerly used in the U.S.

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