TDR

• Telecommunications for Disaster Relief, a proposed standard
• Time-domain reflectometry, a measuring method
• Time-domain reflectometer, an instrument used for time-domain reflectometry
• Radiolabeled thymidine (TdR)
• Totally drug-resistant, the ability of a microbe to resist the effects of all known drugs

• The Designers Republic, a former graphic design studio in England
• Tony D'Alberto Racing, an Australian V8 Supercar motor racing team

• TDR (journal), The Drama Review, an academic journal
• Tokyo Disney Resort, Japan
• Interstate TDR, WWII US Navy aerial drone
• Timeout Detection and Recovery, a feature in the Windows operating system that allows it to recover from video driver errors
• Transferable development rights, a method for controlling land use
• Troubled debt restructuring, a debt restructuring process
• Total dependency ratio, ratio of dependents to workers
• Total DramaRama, an animated series on Cartoon Network
• Throttleable ducted rocket, a type of air-augmented rocket motor

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{{Disambiguation}}