TDI - WikiHQ

TDI may refer to:

Science and technology

Tolerable daily intake, in toxicology
Toluene diisocyanate, an organic chemical
Time delay and integration, timing synchronization in an image sensor
Tissue Doppler imaging, a medical ultrasound technology
Tabbed document interface, a type of graphical user interface
Total dual integrality, a property of matrices in mathematical optimization
Transport Driver Interface, used by NT series Windows to abstract level 7 APIs into a common protocol for the Transport Protocol layer
Trophic Diatom Index, water quality and ecological status; see Sattal
TDI (engine) (turbocharged direct injection), a diesel engine design used in cars and light vans made by Volkswagen Group

Technical Diving International, a technical diving organization
Telecommunications for the Deaf, Inc., a nonprofit organization promoting telecommunications devices for the deaf
Texas Department of Insurance
The Dartmouth Institute for Health Policy and Clinical Practice, a subsidiary of Dartmouth College
Transportation Displays, Inc., a unit of Outfront Media
Technical group of Independents (1999-2001)
Technical group of Independents (1979-1984)