TT

TT, Tt, tt, or .tt may refer to:

Archaeology

• Theban Tombs, or discovered tombs of the Theban necropolis

Automobiles and transportation

• Audi TT, a 2-door sports car produced by Audi
• Isle of Man TT, an annual motor-cycle racing event held on the Isle of Man
• TT-Line Pty. Ltd., a ferry company operating from Tasmania to Australia

Biology and Medicine

• Therapeutic touch, an alternative medicine practice
• Tetanus Toxoid, a vaccine to prevent Tetanus
• Thrombin time, a coagulation blood test

Business

• Telegraphic transfer (or telex transfer or T/T), a method of transferring money
• TT bar, a ten tola gold bar traded in 3.75 oz (117 g) weights
• TT Electronics, a British maker of automotive components

Computing

• .tt, the country code top-level domain for Trinidad and Tobago
• Atari TT, a computer based on the Motorola 68030 CPU
• Template Toolkit, a Perl template engine
• Transaction translator, a particular unit in USB hubs
• TrueType, a font format
• Truth-table reduction (or tt-reduction), a kind of transformation used in computability theory
• "TT", an emoticon indicating tears streaming from the eyes
• <tt>...</tt>, an HTML presentation element that writes text in monospace font

Organizations

• Order and Justice (Lithuanian: Tvarka ir teisingumas), a Lithuanian political party
• Tidningarnas Telegrambyrå, a Swedish news agency
• Toytown Germany, a web site for English-speaking foreigners in Germany

Music theory

• Tritone, or augmented fourth, a musical interval that spans three whole tones

Places

• Trinidad and Tobago (ISO 3166 digram), an archipelagic state in the southern Caribbean

Sports, games, hobbies, and theme park rides

• Table Tennis
• Time trial, in racing sports, a race against the clock to secure the fastest time
• Tourist Trophy (disambiguation), several meanings
• TT Pro League, a professional association football league for clubs in Trinidad and Tobago
• TT scale (Table Top scale), a niche model railroading scale
• TT Zero, an Isle of Man TT race

Cartoons/Anime

• Teen Titans (TV Series), a popular show that aired from 2003-2006

Video games

• Manx TT Superbike, an arcade racing game by Sega
• Transport Tycoon, a computer game by Chris Sawyer
• Traveller's Tales, a British software house
• Toontown Online, a Disney Interactive MMO
• Tourist Trophy (video game), a motorcycle racing game for the PlayStation 2

Other uses

• Pi (letter), because 'TT' resembles the Greek letter 'Π'
• Tatar language (ISO 639-1 code)
• Terrestrial Time
• Tiny Telephone (also referred to as "bantam"), a type of phone connector (audio) used for analog audio signals
• Today Tonight an Australian "current affairs" television program produced by the Seven Network
• TT pistol, a Soviet military automatic pistol designed by Fedor Tokarev

See also

• TTT (disambiguation)