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DDD

abbreviation for

, Chemistry.
  1. dichlorodiphenyldichloroethane: a colorless or white crystalline metabolite of DDT, C 14 H 10 Cl 4 , used as an insecticide: agricultural use is prohibited in the United States.

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Word History and Origins

Origin of DDD1

First recorded in 1945–50

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Example Sentences

This time around, the 23-year-old Montag upgraded to a size DDD.

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