[ klawr-deyn, klohr- ]
/ ˈklɔr deɪn, ˈkloʊr- /


a colorless, viscous, water-insoluble, toxic liquid, C10H6Cl8, used as an insecticide.


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Also chlor·dan [klawr-dan, klohr-] /ˈklɔr dæn, ˈkloʊr-/.

Origin of chlordane

1945–50; chlor-2 + (in)dane an oily cyclic hydrocarbon, equivalent to ind- + -ane Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for chlordane


chlordan (ˈklɔːdæn)

/ (ˈklɔːdeɪn) /


a white insoluble toxic solid existing in several isomeric forms and usually used, as an insecticide, in the form of a brown impure liquid. Formula: C 10 H 6 Cl 8

Word Origin for chlordane

C20: from chloro- + (in) d (ene) + -ane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for chlordane

[ klôrdān′ ]


A chlorinated hydrocarbon used as an insecticide that may be absorbed through the skin with resultant severe toxic effects.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for chlordane

[ klôrdān′ ]

A colorless, odorless, viscous liquid that occurs in several isomers and was formerly used as an insecticide. Because it can damage the liver and nervous system and remains as a toxin in the environment for many years, chlordane was banned in 1988. Chemical formula: C10H6Cl8.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.