DTD

• Desktop Tower Defense, a Flash-based strategy game
• DTD (TV station), a digital television station in Darwin, Northern Territory, Australia
• December to Dismember, a former wrestling pay-per-view event
• Dust-to-Digital, a record label specializing in American folk music

• Data transfer device, as found in AN/CYZ-10, a cryptographic device for receiving, storing, and transferring keys
• Detailed timing descriptor, a block containing supported output resolution details in Extended Display Identification Data
• Document type definition, used in markup languages such as XML
• Direct-to-disk recording, recording of audio or video to random access digital media as opposed to tape

• Developmental topographical disorientation, a cognitive disorder marked by inability to navigate within the environment
• Diastrophic dysplasia, an autosomal recessive dysplasia which affects cartilage and bone development
• Developmental trauma disorder, a childhood equivalent of complex post-traumatic stress disorder

• Danube–Tisa–Danube Canal, a water system in Serbia
• Dekoratie voor Trouwe Dienst, a military decoration of the South African Defence Force between 1921 and 1946
• Delta Tau Delta, a U.S.-based college fraternity

• Dopamine transporter deficiency syndrome (DTDS), an autosomal recessive Parkinsonism dystonia

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