Broadcasting

• Tamil Radio and Television, a former Tamil language satellite channel
• Televisora Regional del Táchira
  Televisora Regional del Táchira
  The Televisora Regional del Táchira is a privately owned Venezuelan regional television network based in the city of San Cristóbal in Táchira. Including Táchira, TRT can be seen in the southern part of the Zulia, northeastern Barinas, and northern Apure in Venezuela. Its signal can also be seen...
  
  , a Venezuelan regional television network based in the city of San Cristóbal in Táchira
• Thessalian Radio Television
  Thessalian Radio Television
  The Thessalian Radio Television, also known as TRT , was founded in 1989. It is a regional private television station that broadcasts in Thessaly, Greece. It started broadcasting on 5 February 1990. TRT has studios in five towns...
  
  , a Greek regional television station based in Thessaly Greece
• Total Running Time - used to describe the length of time / duration of a piece of media
• Turkish Radio and Television Corporation
  Turkish Radio and Television Corporation
  The Turkish Radio and Television Corporation, also known as TRT , is the national public broadcaster of Turkey and was founded in 1964. Around 70% of TRT's funding comes from a tax levied on electricity bills and a sales tax on television and radio receivers...
  
  , the national public broadcaster of Turkey

Engineering

• Total run time (program lifecycle phase), the duration of a computer program's execution
• Transition radiation tracker, a component of the ATLAS experiment
  ATLAS experiment
  ATLAS is one of the six particle detector experiments constructed at the Large Hadron Collider , a new particle accelerator at the European Organization for Nuclear Research in Switzerland...
  
  
• Transport relay translation, a IPv6 translation mechanisms to translate between different kinds of computer hosts

Legislation and Jurisprudence

• Tribunal Regional do Trabalho (Regional Labor Court), an appellate court in Brazil
• Trademark
  Trademark
  A trademark, trade mark, or trade-mark is a distinctive sign or indicator used by an individual, business organization, or other legal entity to identify that the products or services to consumers with which the trademark appears originate from a unique source, and to distinguish its products or...
  
   Registration Treaty, a treaty involved in intellectual property identification

Medicine

• Testosterone replacement therapy, a form of hormone replacement therapy
• Therapeutic recreational therapy
  Recreational therapy
  Recreational therapy, also referred to as recreation therapy and therapeutic recreation, is a treatment service that provides treatments and recreation activities to individuals with illnesses or disabling conditions to improve or maintain physical, mental and emotional well-being and help reduce...
  
  , a form of recreational therapy
• Thoracic radiation therapy
  Radiation therapy
  Radiation therapy , radiation oncology, or radiotherapy , sometimes abbreviated to XRT or DXT, is the medical use of ionizing radiation, generally as part of cancer treatment to control malignant cells.Radiation therapy is commonly applied to the cancerous tumor because of its ability to control...
  
  , a form of radiation therapy
• Tinnitus retraining therapy
  Tinnitus retraining therapy
  Tinnitus retraining therapy is a form of habituation therapy designed to help people who suffer from tinnitus . TRT uses counselling to explain to the patient how a combination of tinnitus retraining and sound enrichment can end their negative reaction to the tinnitus sound, and then reduce and...
  
  , a form of therapy designed to help people who suffer from tinnitus (ringing ears)

Other

• Technical rescue
  Technical rescue
  Technical rescue refers to those aspects of saving life or property that employ the use of tools and skills that exceed those normally reserved for fire fighting, medical emergency, and rescue. These disciplines include rope rescue, swiftwater rescue, confined space rescue, ski rescue, cave rescue,...
  
   team, a rescue squad trained in skills beyond those of normal emergency rescue
• This Romantic Tragedy
  This Romantic Tragedy
  This Romantic Tragedy is an American post-hardcore band from Las Vegas, Nevada. They will be releasing their debut full-length album in 2011.-Formation, Signing, and Trust In Fear :...
  
  
• These Recessionary Times