T (disambiguation)

T is the twentieth letter of the Latin 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 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
t, an SI abbreviation for tonne

Names

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

Entertainment

Literature

T (New York Times), a fashion magazine
T, a novel by Victor Pelevin
T-unit, a grammatical term
"T" Is for Trespass, the twentieth novel in Sue Grafton's "Alphabet mystery" series, published in 2007

Television

Mr. T (b. 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

Music

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

T-Mobile, mobile network operator based in Germany
T-Online, German Internet Service Provider
Treasury (as in T-Bill, T-Bond, T-Note)
T, a mintmark for Nantes, France
T, the U.S. ticker symbol for AT&T on the New York Stock Exchange
The AT&T Center in San Antonio, Texas, United States

Science

Biology and medicine

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

Mathematics

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

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
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, produced 1908–1927
NZR T class steam locomotives in New Zealand
Tank locomotive
OS T1000, an Oslo Metro train
T gauge, a scale for model railroad trains

Public transport

Massachusetts Bay Transportation Authority (nicknamed the "T")
T Third Street in San Francisco, California
Oslo Metro or Oslo T-bane
Pittsburgh Light Rail, commonly called the T
Stockholm Metro or T-bana
T (New York City Subway service)
Trinity Metro, formerly known as "The T"

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
Technical foul, in sports
Tackle (gridiron football position)
T-shirt, a type of clothing
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 in the Park, an annual music festival, held in Kinross, Scotland and named after its main sponsor, the brewing company Tennents
T-bone steak, the cut of meat
Tango, the military time zone code for UTC−07:00

gollark: No, smoking just really quite harmful if you do much of it.

gollark: Oh, you definitely would be, because drugs bad and make you (mostly temporarily) stupiderer.

gollark: Computer stuff just tends to have hilariously stupid amounts of security vulnerabilities in everything, and brains at least... probably less so, since most of them would require physical access probably maybe hopefully.

gollark: Apparently?

gollark: No, you consume it too sometimes.