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DDT Syllabification: DDT
Pronunciation: /ˌdē ˌdē ˈtē/

Definition of DDT in English:


A synthetic organic compound used as an insecticide. Like other chlorinated aromatic hydrocarbons, DDT tends to persist in the environment and become concentrated in animals at the head of the food chain. Its use is now banned in many countries.
  • Chemical formula: CCl3CH(C6H4Cl)2
Example sentences
  • A major chemical industry sprang up after the discovery of the potent insecticidal properties of DDT.
  • The book had a powerful influence, and governments throughout the world banned DDT and other pesticides.
  • DDT was applied widely as an insecticide in North America until it was banned in 1972.


1940s: abbreviation of dichlorodiphenyltrichloroethane.

Definition of DDT in:
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