Chemistry

• Tolerable Daily Intake
  Tolerable Daily Intake
  Tolerable daily intake refers to the daily amount of a chemical that has been assessed safe for human being on long-term basis . Originally acceptable daily intake was introduced in 1961 to define the daily intake of a food additive which, during the entire lifetime, appears to be without...
  
   (used in toxicology
  Toxicology
  Toxicology is a branch of biology, chemistry, and medicine concerned with the study of the adverse effects of chemicals on living organisms...
  
  ),
• Toluene diisocyanate
  Toluene diisocyanate
  Toluene diisocyanate is an aromatic diisocyanate. It is produced for reaction with polyols to form polyurethanes. It exists in two isomers, 2,4-TDI and 2,6-TDI . 2,4-TDI is produced in the pure state, but TDI is often marketed as 80/20 and 65/35 mixtures of the 2,4 and 2,6 isomers respectively...
  
  , an organic chemical

Entertainment

• Total Drama Island
  Total Drama Island
  Total Drama Island is a Canadian animated television series which lampoons the conventions commonly found in reality shows. The show and its sequel seasons are collectively referred to as the Total Drama series. It premiered on the Canadian cable television specialty channel Teletoon on July 8, 2007...
  
  , an animated reality series that started July 8, 2007
• Tangerine Dream Independent is the record label belonging to Edgar Froese
  Edgar Froese
  Edgar Wilmar Froese is a German artist and electronic music pioneer, best known for founding the electronic music group, Tangerine Dream. Although his solo and group recordings prior to 2003 name him as "Edgar Froese", his solo albums from 2003 onward bear the artist name "Edgar W. Froese".Froese...
  
   of Tangerine Dream
  Tangerine Dream
  Tangerine Dream is a German electronic music group founded in 1967 by Edgar Froese. The band has undergone many personnel changes over the years, with Froese being the only continuous member...
  
  

Methods

• Tabbed document interface, a type of graphical user interface
• Telecom Data Intelligence
  Telecom Data Intelligence
  Telecom data intelligence , is the ability of a telco , to extract detailed customer-profiling data from the data that is generated in the network combined with the data that is collected directly from the customers, by engaging customers online through an enhanced VAS customer experience.TDI...
  
  , ability to extract detailed customer profiling data
• Time Delay and Integration
  Time Delay and Integration
  A time delay and integration charge-coupled device is widely used for observation of high speed moving objects undetectable by classic CCD...
  
  , timing synchronization in an image sensor
• Tissue doppler imaging, or doppler echocardiography
  Doppler echocardiography
  Doppler echocardiography is a procedure which uses ultrasound technology to examine the heart. An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination the speed and direction of blood flow by utilizing the Doppler...
  
  , a type of cardiac imaging technique via ultrasound
• 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 uses the composition of freshwater diatom assemblages to assess water quality and ecological status
• Turbocharged Direct Injection
  Turbocharged Direct Injection
  TDI or Turbocharged Direct Injection is a design of turbodiesel engines, which feature turbocharging and cylinder-direct fuel injection, developed and produced by Volkswagen Group. These TDI engines are widely used in all mainstream Volkswagen Group marques of passenger cars and light commercial...
  
  , a diesel engine used in cars and light vans made by the Volkswagen Group

Organizations

• Technical Diving International
  Technical Diving International
  Technical Diving International is the largest technical diving certification agency in the world. As one of the first agencies to provide training in mixed gas diving and rebreathers, TDI is seen as an innovator of new diving techniques and programs which previously were not available to the...
  
  , a technical diving organization
• Telecommunications for the Deaf, Inc.
  Telecommunications for the Deaf, Inc.
  Telecommunications for the Deaf and Hard of Hearing, Inc. is headquartered in Silver Spring, Maryland and was founded in 1968. Its original purpose was to promote widespread distribution of Telecommunications device for the deaf and publish a telephone directory of those that used TTY...
  
  , a nonprofit organization promoting telecommunications devices for the deaf
• Texas Department of Insurance
  Texas Department of Insurance
  The Texas Department of Insurance is the regulator of all Texas-based insurance companies and was founded as a result of the McCarran-Ferguson Act. The agency is headquartered at the William P. Hobby State Office Building at 333 Guadalupe Street in Austin, Texas, United States.TDI Fraud UnitThe...
  
  
• The Dartmouth Institute for Health Policy and Clinical Practice
  The Dartmouth Institute for Health Policy and Clinical Practice
  The Dartmouth Institute for Health Policy and Clinical Practice is an organization within Dartmouth College "dedicated to improving health care through education, research, policy reform, leadership improvement, and communication with patients and the public." It was founded in 1988 by John...
  
  , a subsidiary of Dartmouth College