T, or t, is the twentieth letter of the English alphabet.
T may also refer to:
Codes and units T, Tera- as in one trillion T, a symbol for "True" in logic T, the usual symbol for period, the reciprocal of frequency T, the symbol for Tesla, the SI unit of magnetic field t, the SI symbol for tonne or metric ton t, the usual symbol for time t, the angular coordinate of the polar coordinate system (usually ϕ or θ) is sometimes denoted by t , the symbol for torque ⊤, the top element of a partially ordered set T, short for tablespoon t, short for teaspoon
Names Titus (praenomen), common name throughout Roman history, regularly abbreviated T
Entertainment
Literature T, a novel by Victor Pelevin T (magazine), a fashion magazine, full name T: The New York Times Style Magazine "T" Is for Trespass, the twentieth novel in Sue Grafton's "Alphabet mystery" series, published in 2007 T-unit, a grammatical term
Film and television Big T, ring name of American retired professional wrestler Ahmed Johnson (born 1963) Mr. T (born 1952), American television actor T, the production code for the 1965 Doctor Who serial Galaxy 4 The T logo for the American Spanish-language network Telemundo T (2023 film), an Indian Odia-language film by Jitesh Kumar Parida
Music Ice-T (born 1958), American rapper and actor T (Funker Vogt album), a 2000 aggrotech album by Funker Vogt T (TVXQ album), a 2008 TVXQ album T (Teflon Brothers album), a 2009 album by Finnish hip hop group Teflon Brothers "t," an Iamamiwhoami song T, abbreviation for tutti T, abbreviation for tenor t, note abbreviation in tonic sol-fa for seventh scale degree T-Babe, a virtual pop singer
Video games T (teen), a game rating from the Entertainment Software Rating Board which the board believes is suitable for those aged 13 years and older
Finance and business AT&T, an American phone company with the New York Stock Exchange ticker symbol T T-Mobile International AG, mobile network operator based in Germany T-Systems, German IT services company T-Online, German Internet Service Provider Treasury (as in T-Bill, T-Bond, T-Note) T, a mintmark for Nantes, France
Science
Biology and medicine Troponin T, one of the three troponins Haplogroup T (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup T cells, part of the components of the immune system along with B cells T, the one-letter code used for threonine, one of the 20 amino acids used in transcription of a polypeptide chain Thymine, one of the four nucleic acids of DNA T, gene and protein symbol for the transcription factor brachyury Thoracic vertebrae T-1 through T-12 T wave, the repolarization wave of cardiac ventricles in electrocardiography T, a common abbreviation for the male sex hormone testosterone
Palaeontology T-rex, abbreviation for Tyrannosaurus rex
Meteorology Thunderstorm T-number in the Dvorak technique, a way to rate storm intensity
Physics and chemistry T, symbol for tritium, a radioactive isotope of hydrogen T-symmetry in particle physics Class T, a cool brown dwarf class of stars ΔT (disambiguation): a variety of meanings related to changes in a quantity denoted by T, such as time or temperature
Mathematics T score, a statistical term Student's t-distribution, statistical term T, in modal logic , the n-dimensional torus () , the Circle group AT, the transpose of a matrix A
Technology and computing T (programming language), created in the early 1980s T, Toshiba's mobile phones in Japan T, an abbreviation for telephone number t, an abbreviation for microblogging service Twitter t-distributed stochastic neighbor embedding, a machine learning algorithm for data visualization T-pose, a default pose for a 3D model's skeleton before it is animated Landing T, a ground signal that indicates the wind direction in aerodromes Transfer (computing), in computer technology, a data transfer, often used to measure speed (e.g. megatransfers per second)
Transportation Equipment Ford Model T, a motor car produced in the U.S. 1908–1927 NZR T class steam locomotives in New Zealand OS T1000, an Oslo Metro train T gauge, a scale for model railroad trains Tank locomotive Public transport Japan Tanimachi Line, a subway service operated by the Osaka Metro, labeled Tokyo Metro Tozai Line, a subway service operated by the Tokyo Metro, labeled Tsuyama Line, a railway service operated by West Japan Railway Company, with the official service symbol
United States Massachusetts Bay Transportation Authority (nicknamed the "T") Pittsburgh Light Rail, commonly called the T T (New York City Subway service) T Line (Sound Transit) in Tacoma, Washington T Third Street in San Francisco, California Trinity Metro, formerly known as "The T", a transit agency serving Fort Worth, Texas and suburbs T (SEPTA Metro), formerly known as the Subway–Surface Trolleys, in Philadelphia, Pennsylvania
Other countries Oslo Metro or Stockholm Metro or
Phonetics [t], the International Phonetic Alphabet character for the voiceless alveolar plosive [ʈ], the IPA character representing the voiceless retroflex stop
Other uses "The T", a nickname for the rural part of Pennsylvania due to its shape when eliminating the Pittsburgh and Philadelphia Metropolitan Areas, also known by its slang term Pennsyltucky Т, a letter of the Cyrillic alphabet T-bone steak, the cut of meat T-shirt, a type of clothing T in the Park, an annual music festival, held in Kinross, Scotland and named after its main sponsor, the brewing company Tennents Crossing the T, a classic naval warfare tactic Stealing the 'T', an historic college prank as the "T" is stolen from the Tech Tower at the Georgia Institute of Technology T (Tango), the military time zone code for UTC−07:00 Purwakarta, Karawang and Subang (vehicle registration prefix T)
See also Tee (disambiguation) Tea (disambiguation) T class (disambiguation) Class T (disambiguation) T-type (disambiguation)