Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Davis, Henry Gassaway to Diamond

DDT

insecticide

DDT (dichloro-diphenyl-trichloroethane), powerful insecticide. Because of concern about the persistence of its toxic residues, DDT is no longer marketed for commercial use in the United States.

See also: Insecticide.

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