# TR

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/TR
> Markdown URL: https://mediated.wiki/source/TR.md
> Source: https://en.wikipedia.org/wiki/TR
> Source revision: 1336144060
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

**TR** or **tr** may stand for

## Arts and entertainment

### Gaming

- *[Tomb Raider](/source/Tomb_Raider)*, a video game franchise
- [Terminal Reality](/source/Terminal_Reality), an American video game developer
- [Terran Republic (*PlanetSide*)](/source/Terran_Republic_(PlanetSide)), a faction in the video game series *PlanetSide*

### Music

- Korg TR, a variant of the [Korg Triton](/source/Korg_Triton#TR) music workstation synthesizer
- [Trill](/source/Trill_(music)), notation for musical ornament
- [TR-808](/source/TR-808), [TR-909](/source/TR-909) etc., 1980s Roland drum machines

## Businesses and organizations

- [Scoot](/source/Scoot), IATA code since 2017
- [Tiger Airways](/source/Tiger_Airways), IATA code between 2003 and 2017
- [Tomahawk Railway](/source/Tomahawk_Railway), reporting mark
- [Transbrasil](/source/Transbrasil), IATA airline code until 2001
- [Team Rubicon](/source/Team_Rubicon), commonly used abbreviation
- [Talyllyn Railway](/source/Talyllyn_Railway), a Welsh railway
- [Thomson Reuters](/source/Thomson_Reuters), a Canadian multinational media conglomerate
- [Texas Roadhouse](/source/Texas_Roadhouse), restaurant chain in the United States
- Tokyu Railways. See [Tokyu Corporation](/source/Tokyu_Corporation)

## Language

- [Tr](/source/Tr_(digraph)), a digraph
- [Turkish language](/source/Turkish_language) (ISO 639 alpha-1 code "tr")

## People

- [Theodore Roosevelt](/source/Theodore_Roosevelt), the 26th president of the United States - [Presidency of Theodore Roosevelt](/source/Presidency_of_Theodore_Roosevelt), 1901-1909 - The [USS *Theodore Roosevelt* (CVN-71)](/source/USS_Theodore_Roosevelt_(CVN-71)), a *Nimitz*-class aircraft carrier
- [T. Rajendar](/source/T._Rajendar), Indian filmmaker and politician
- [T. Ramachandran (writer)](/source/T._Ramachandran_(writer)) (1944–2000), Indian writer who wrote under these initials

## Places

- [TR postcode area](/source/TR_postcode_area), UK postal code for the Truro area
- [Travelers Rest, South Carolina](/source/Travelers_Rest,_South_Carolina)
- ISO 3166-1 alpha-2 country code of [Turkey](/source/Turkey)
- Vehicle registration code of [Tripura](/source/Tripura), a state of India

## Transportation

- [Taiwan Railway](/source/Taiwan_Railway), a state-owned conventional railway in Taiwan

## Science, technology, and mathematics

### Biology and medicine

- [Thyroid hormone receptor](/source/Thyroid_hormone_receptor), a nuclear receptor
- [Tricuspid regurgitation](/source/Tricuspid_regurgitation), within the heart
- Repetition time, [magnetic resonance imaging](/source/Physics_of_magnetic_resonance_imaging#Resonance_and_relaxation)
- [Taxonomic rank](/source/Taxonomic_rank)

### Computing

- [.tr](/source/.tr), the country code top level domain (ccTLD) for Turkey
- [tr (Unix)](/source/Tr_(Unix)), command to transliterate characters
- Table row, an [HTML element](/source/HTML_element#Tables)

### Vehicles

- [Thai Rung Union Car](/source/Thai_Rung_Union_Car)
- [Toronto Rocket](/source/Toronto_Rocket), a rolling stock of the Toronto subway
- [Triumph Motor Company](/source/Triumph_Motor_Company). a sports car designation, e.g. TR2
- [Ferrari *TR* (set index)](/source/Ferrari_TR_(set_index)), several cars
- [Berliet TR](/source/Berliet_TR), a range of heavy-duty trucks

### Other uses in science, technology, finance, and mathematics

- TR-1, a version of the [Lockheed U-2](/source/Lockheed_U-2) aircraft
- Technical Report, a type of [ISO](/source/ISO) document
- [Trace (linear algebra)](/source/Trace_(linear_algebra))
- [Ton of refrigeration](/source/Ton_of_refrigeration)
- [Total return](/source/Total_return)

## Other uses

- [Textus Receptus](/source/Textus_Receptus): Printed Greek New Testament translation sources
- [Training routines (Scientology)](/source/Training_routines_(Scientology))
- [Tax return](/source/Tax_return)
- [Tax refund](/source/Tax_refund)

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Adapted from the Wikipedia article [TR](https://en.wikipedia.org/wiki/TR) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/TR?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.