TDI may stand for:
Tabbed document interface, a type of graphical user interface.
Technical Diving International, a technical diving organisation.
Texas Department of Insurance.
The Dartmouth Independent, a newspaper at
Dartmouth College.
Time Delay and Integration, timing synchronization in an image sensor.
Toluene diisocyanate, an organic chemical.Total Dual Integrality, a concept used in optimization.
Total Drama Island, an animated series on
Teletoon that started July 7, 2007.Toyota Direct Ignition, an ignition system used on some Toyota engines.
Transport Dispatch Interface, used by NT series Windows to abstract level 7 APIs into a common protocol for the
Transport Protocol layer.
Transformational Defense Industries, firearms industry.
Turbocharged Direct Injection, a diesel engine used in cars made by the
Volkswagen Group.Time Dependent Inhibition, a concept in
pharmacokinetics.
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TRANSPORT DEVICE INTERFACE. TDI