DDD Definition
dēdēdē
noun
A colorless, crystalline insecticide, (ClC6H4)2CHCHCl2, closely related to DDT but considered to be less toxic to animals; TDE.
Webster's New World
(organic chemistry) Dichlorodiphenyldichloroethane, an insecticide related to DDT.
Wiktionary
(telecommunications) Direct distance dialing, a network-provided service that enables non-local telephone calls to be made without operator assistance.
Wiktionary
Die-deterioration doubling, a common form of mint-made error on coins that results from degradation of the die used to strike the coin.
Wiktionary