RT may refer to:

Arts and media

RT (TV network) RT, formerly Russia Today (), is a Russian State media, state-controlled international news television network funded by the Russian government. It operates pay television and free-to-air television channel, channels directed to audiences ou ...

, a Russian television news channel (formerly ''Russia Today'') **

RT America RT America was a U.S.-based news channel headquartered in Washington, D.C. Owned by TV Novosti and operated by production company T&RProductions, it was a part of the RT network, a global multilingual television news network based in Moscow an ...

, defunct U.S. channel (2010–2022) **

RT UK RT UK, also known as Russia Today, was a free-to-air television news channel based in the United Kingdom. It was part of the RT network, a Russian state-controlled international television network funded by the federal tax budget of the Russi ...

, defunct British channel (2014–2022) ** RT France, defunct French channel (2014–2022) **

RT Arabic RT Arabic, formerly known as Rusiya Al-Yaum (), is a Russian state media, state-owned free-to-air television news channel broadcasting in Arabic and headquartered in Moscow, Russia. Rusiya Al-Yaum started broadcasting on 4 May 2007. The pare ...

, Arabic-language channel ** RT Spanish, Spanish-language channel **

RT Documentary RT Documentary (RTД, ''literally "RTD"'') is a Russian free-to-air documentary channel presented in both the English and Russian languages. It was launched on 23 June 2011 by the erstwhile President Dmitry Medvedev who visited RT's studio in M ...

, RT's documentary channel * RT!, Canadian music-video director * ''

Radio Times ''Radio Times'' is a British weekly listings magazine devoted to television and radio programme schedules, with other features such as interviews, film reviews and lifestyle items. Founded in September 1923 by John Reith, then general manage ...

'', a British listings magazine *

Radio Thailand Radio Thailand () is the public broadcasting radio station in Thailand owned by the National Broadcasting Services of Thailand based in Bangkok. The station has six FM national radio, 65 FM provincial radio, three AM national radio, 46 AM provinc ...

, a Thai public radio station *

Rooster Teeth Rooster Teeth Productions, LLC was an American entertainment company headquartered in Austin, Texas. Founded in 2003 by Burnie Burns, Matt Hullum, Geoff Ramsey, Jason Saldaña, Gus Sorola, and Joel Heyman, Rooster Teeth was a subsidiary o ...

, an entertainment production company *

Rotten Tomatoes Rotten Tomatoes is an American review aggregator, review-aggregation website for film and television. The company was launched in August 1998 by three undergraduate students at the University of California, Berkeley: Senh Duong, Patrick Y. Lee ...

, a review aggregator website

Science and technology

Biology and medicine

Radiation therapy Radiation therapy or radiotherapy (RT, RTx, or XRT) is a therapy, treatment using ionizing radiation, generally provided as part of treatment of cancer, cancer therapy to either kill or control the growth of malignancy, malignant cell (biology), ...

or radiotherapy *

Rapid test A rapid diagnostic test (RDT) is a medical diagnostic test that is quick and easy to perform. RDTs are suitable for preliminary or emergency medical screening and for use in medical facilities with limited resources. They also allow point-of-care ...

Reaction time Mental chronometry is the scientific study of processing speed or reaction time on cognitive tasks to infer the content, duration, and temporal sequencing of mental operations. Reaction time (RT; also referred to as "response time") is measured ...

, a term used in psychology *

Respiratory therapist A respiratory therapist is a specialized healthcare professional, healthcare practitioner trained in Intensive care medicine, critical care and cardio-pulmonary medicine in order to work therapeutically with people who have acute critical condit ...

* Resuscitative thoracotomy *

Reverse transcriptase A reverse transcriptase (RT) is an enzyme used to convert RNA genome to DNA, a process termed reverse transcription. Reverse transcriptases are used by viruses such as HIV and hepatitis B to replicate their genomes, by retrotransposon mobi ...

, an enzyme that transcribes RNA to DNA * Richter's transformation, in chronic leukemia *

R_t

effective reproduction number In epidemiology, the basic reproduction number, or basic reproductive number (sometimes called basic reproduction ratio or basic reproductive rate), denoted R_0 (pronounced ''R nought'' or ''R zero''), of an infection An infection is th ...

, a measure of the spread of an infection in epidemiology

Computing and telecommunications

IBM RT PC The IBM RT PC (RISC Technology Personal Computer) is a family of workstation computers from IBM introduced in 1986. These were the first commercial computers from IBM that were based on a reduced instruction set computer (RISC) architecture. Th ...

, a computer *

Windows RT Windows RT is a mobile operating system developed by Microsoft and released alongside Windows 8 on October 26, 2012. It is a version of Windows 8 or Windows 8.1 built for the 32-bit ARM architecture (ARMv7), designed to take advantage of th ...

, for ARM processors *

Radiotechnique Radiotechnique (RT) was a French electronics company that made radio transmitting and receiving vacuum tubes, and later more advanced components such as integrated circuits and solar panels. At first it was a subsidiary of the French Compagnie gé ...

, a French electronics manufacturer *

Radiotelephone A radiotelephone (or radiophone), abbreviated RT, is a radio communication system for conducting a conversation; radiotelephony means telephony by radio. It is in contrast to ''radiotelegraphy'', which is radio transmission of telegrams (messag ...

Request Tracker Request Tracker, commonly abbreviated to RT, is an open source tool for organizations of all sizes to track and manage workflows, customer requests, and internal project tasks of all sorts. With seamless email integration, custom ticket lifecycle ...

, a ticketing system *

Retweeting Reblogging (or, in Twitter parlance, retweeting (officially reposting since July 2023)) is the mechanism in blogging which allows users to repost the content of another user's post with an indication that the source of the post is another user. I ...

, a sharing function on Twitter * RT-Mobile, spun off from

Rostelecom Rostelecom (Ростелеком) is Russia’s largest provider of digital services for a wide variety of consumers, households, private businesses, government and municipal authorities, and other telecom providers. Rostelecom interconnects all ...

in Russia

Other uses in science and technology

RT (energy) ''kT'' (also written as ''k''B''T'') is the product of the Boltzmann constant, ''k'' (or ''k''B), and the temperature, ''T''. This product is used in physics as a scale factor for energy values in molecular-scale systems (sometimes it is used as ...

, the product of the gas constant (R) and temperature *

Relevance theory Relevance theory is a framework for understanding the interpretation of utterances. It was first proposed by Dan Sperber and Deirdre Wilson, and is used within cognitive linguistics and pragmatics. The theory was originally inspired by the work ...

, a linguistic framework for understanding utterance interpretation

Sports

Russian Time Russian Time (previously known as RT Russian Time) was a Russian motor racing team founded by Igor Mazepa to compete in the GP2 Series, a category of open-wheel racing cars designed to prepare drivers for Formula One. From 2015 to 2018, the tea ...

, a Russian motor racing team *

Right tackle A tackle is a playing position in American football. Historically, in the one-platoon system prevalent in the late nineteenth and early twentieth centuries, a tackle played on both offense and Defensive tackle, defense. In the modern system of ...

, in American and Canadian football

Transportation

* R/T (Road/Track), a Dodge car performance designator *

AEC Regent III RT The AEC Regent III RT was one of the variants of the AEC Regent III. It was a double-decker bus produced jointly between AEC and London Transport. It was the standard red London bus in the 1950s and continued to outnumber the better-known ...

, London Transport bus, 1938–1979 *

Rapid transit Rapid transit or mass rapid transit (MRT) or heavy rail, commonly referred to as metro, is a type of high-capacity public transport that is generally built in urban areas. A grade separation, grade separated rapid transit line below ground su ...

Line 3 Scarborough Line 3 Scarborough, originally known as Scarborough RT (the SRT), was a medium-capacity rapid transit line that was part of the Toronto subway system of the Toronto Transit Commission in Toronto, Ontario, Canada. The line ran entirely within ...

of the Toronto Subway, Scarborough RT or "The RT" *

Sacramento Regional Transit District The Sacramento Regional Transit District, commonly referred to as SacRT (or simply RT), is the agency responsible for public transportation in the Sacramento, California area. It was established on April 1, 1973, as a result of the acquisition ...

, SacRT or RT * RT, abbreviation for

route number A route (or road) number, designation or abbreviation is an identifying numeric (or alphanumeric) designation assigned by a highway authority to a particular stretch of roadway to distinguish it from other routes and, in many cases, also to indic ...

in the US * Airline

UVT Aero UVT Aero () is a Russian airline headquartered in Kazan. Its main base is Ğabdulla Tuqay Kazan International Airport. It is currently banned from flying in the EU along with all other Russian airlines. History On 8 July 2015 Tatarstan's Repu ...

(IATA code RT)

Other uses

Lil RT Lil RT (born June 3, 2014) is an American rapper from Atlanta, Georgia. He gained attention after his song "60 Miles" went viral on YouTube. He and his parents have been criticized for the mature themes and explicit content that are seen in his m ...

(born 2014), American rapper *

Ruby Tuesday (restaurant) Ruby Tuesday Inc. is an American Multinational corporation, multinational foodservice retailer that owns, operates, and Franchising, franchises Ruby Tuesday restaurants. The concept was started in 1972 by Samuel E. (Sandy) Beall III. The corporat ...

(NYSE symbol), a restaurant chain * ''

Rukun tetangga A ''rukun tetangga'' (abbreviated RT, literally "pillar of neighbours") is an administrative division of a village in Indonesia, under a ''rukun warga''. The RT is the lowest administrative division of Indonesia, with over 1 million ''rukun tetan ...

'', an administrative division of Indonesia