T (disambiguation)

For the same letterform in the Cyrillic and Greek alphabets, see Te and Tau respectively.

Look up T or t in Wiktionary, the free dictionary.

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, the 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
$\tau$ , the symbol for torque
⊤, the top element of a partially ordered set
T, short for tablespoon
t, short for teaspoon

Titus (praenomen), common name throughout Roman history, regularly abbreviated T

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

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

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

T (teen), a game rating from the Entertainment Software Rating Board which the board believes is suitable for those aged 13 years and older

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

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

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

T score, a statistical term
Student's t-distribution, statistical term
System T, in modal logic
$\mathbb {T} ^{n}$ , the n-dimensional torus ( $\mathbb {R} ^{n}/\mathbb {Z} ^{n}$ )
$\mathbb {T}$ , the Circle group
A^T, the transpose of a matrix A

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)

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

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

"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