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Meaning of dieldrin

diel•drin

Pronunciation: (dēl'drin), [key]
— n. Chem.
  1. a light tan, crystalline, water-insoluble, poisonous solid, CHOCl, used as an insecticide: manufacture and use have been discontinued in the U.S.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.