• DDD

    Full definition of DDD

    Noun

    1. (organic chemistry) Dichlorodiphenyldichloroethane, an insecticide related to DDT
    2. (telecommunications) Direct distance dialing, a network-provided service that enables non-local telephone calls to be made without operator assistance
    3. Die-deterioration doubling, a common form of mint-made error on coins that results from degradation of the die used to strike the coin
    4. A designation on prerecorded compact discs indicating a "full digital recording" (recorded, mixed and mastered in digital); compare AAD, ADD, DAD.
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