dieldrin Hear it!

dieldrin definition

☆ diel·drin (dēl′drin)

noun

a highly toxic, long-lasting insecticide, CHOCl, restricted by law to nonagricultural use

Etymology: Diel(s-Al)d(e)r (reaction) + -in

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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