ST, St, or St. may refer to:

Arts and entertainment

* Stanza, in poetry *

Suicidal Tendencies Suicidal Tendencies is an American crossover thrash band formed in 1980 in Venice, Los Angeles, Venice in Los Angeles, California by vocalist Mike Muir. Muir is the only remaining original member of the band. Along with Dirty Rotten Imbeciles, ...

, an American heavy metal/hardcore punk band *

Star Trek ''Star Trek'' is an American science fiction media franchise created by Gene Roddenberry, which began with the eponymous 1960s television series and quickly became a worldwide pop-culture phenomenon. The franchise has expanded into vario ...

, a science-fiction media franchise *

Summa Theologica The ''Summa Theologiae'' or ''Summa Theologica'' (), often referred to simply as the ''Summa'', is the best-known work of Thomas Aquinas (1225–1274), a scholastic theologian and Doctor of the Church. It is a compendium of all of the main th ...

, a compendium of Catholic philosophy and theology by St. Thomas Aquinas * St or St., abbreviation of "State", especially in the name of a college or university

Businesses and organizations

Transportation

Germania (airline) Germania Fluggesellschaft mbH, trading as Germania (), wasflgermania.com
retrieved 5 February 2019

(IATA airline designator ST) *

Maharashtra State Road Transport Corporation The Maharashtra State Road Transport Corporation abbreviated as (MSRTC, or simply ST), is the state run bus service of Maharashtra, India which serves routes to towns and cities within Maharashtra as well as to its adjoining states. It has a fle ...

, abbreviated as State Transport *

Sound Transit Sound Transit (ST), officially the Central Puget Sound Regional Transit Authority, is a public transit agency serving the Seattle metropolitan area in the U.S. state of Washington. It operates the Link light rail system in Seattle and Tacom ...

, Central Puget Sound Regional Transit Authority, Washington state, US * Springfield Terminal Railway (Vermont) (railroad reporting mark ST) *

Suffolk County Transit Suffolk County Transit is the provider of bus services in Suffolk County, New York on Long Island and is an agency of the Suffolk County government. It was founded in 1980 as a county-run oversight and funding agency for a group of private cont ...

, or Suffolk Transit, the bus system serving Suffolk County, New York

Other businesses and organizations

* Statstjänstemannaförbundet, or Swedish Union of Civil Servants, a trade union *

The Secret Team ''The Secret Team: The CIA and Its Allies in Control of the United States and the World'' is a book by L. Fletcher Prouty, a former colonel in the US Air Force, first published by Prentice-Hall in 1973. Publication history After initial publicati ...

, an alleged covert alliance between the CIA and American industry *

STMicroelectronics STMicroelectronics N.V. commonly referred as ST or STMicro is a Dutch multinational corporation and technology company of French-Italian origin headquartered in Plan-les-Ouates near Geneva, Switzerland and listed on the French stock market. ST ...

, a worldwide manufacturer of semiconductors

Geography

São Tomé and Príncipe São Tomé and Príncipe (; pt, São Tomé e Príncipe (); English: " Saint Thomas and Prince"), officially the Democratic Republic of São Tomé and Príncipe ( pt, República Democrática de São Tomé e Príncipe), is a Portuguese-speaking i ...

(ISO 3166-1 country code ST) **

.st .st is the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe. The code is marketed worldwide as an abbreviation for various entities. Second-level domains Registrations are taken directly at the second level, but som ...

, Internet country code top-level domain for São Tomé and Príncipe *

Saxony-Anhalt Saxony-Anhalt (german: Sachsen-Anhalt ; nds, Sassen-Anholt) is a state of Germany, bordering the states of Brandenburg, Saxony, Thuringia and Lower Saxony. It covers an area of and has a population of 2.18 million inhabitants, making it the ...

, a state of Germany *

Split, Croatia )'' , settlement_type = City , anthem = '' Marjane, Marjane'' , image_skyline = , imagesize = 267px , image_caption = Top: Nighttime view of Split from Mosor; 2nd row: Cathedr ...

(vehicle plate code ST) * Stoke-on-Trent postcode area, United Kingdom * St or St., abbreviation of Saint * St or St., abbreviation of

Street A street is a public thoroughfare in a built environment. It is a public parcel of land adjoining buildings in an urban context, on which people may freely assemble, interact, and move about. A street can be as simple as a level patch of d ...

* St or St., abbreviation of Strait

Language and typography

Sesotho language Sotho () or Sesotho () or Southern Sotho is a Southern Bantu language of the Sotho–Tswana ("S.30") group, spoken primarily by the Basotho in Lesotho, where it is the national and official language; South Africa (particularly the Free Sta ...

(ISO 639-1 language code "st") * ﬅ, or st, a typographic ligature * Standard Theory in

generative grammar Generative grammar, or generativism , is a linguistic theory that regards linguistics as the study of a hypothesised innate grammatical structure. It is a biological or biologistic modification of earlier structuralist theories of linguistic ...

Science and technology

Computing

* ST connector, a type of optical fiber connector * Atari ST, a personal computer * Prefix of hard disk drives made by Seagate Technology, e.g. ST-506 *

Internet Stream Protocol The Internet Stream Protocol (ST) is a family of experimental protocols first defined in Internet Experiment Note IEN-119 in 1979, and later substantially revised in RFC 1190 (ST-II) and RFC 1819 (ST2+). The protocol uses the version number 5 in ...

, an experimental Internet protocol * Structured text, a high-level programming language that syntactically resembles Pascal and is designed for programmable logic controllers (PLC) *

, the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe * St (terminal emulator), minimalist terminal emulator by suckless.org

Mathematics

* Standard part function, a term used in non-standard analysis

Physics

* Stanton number St, used in physics * Strouhal number St, used in fluid mechanics * String theory

Units of measurement

Stokes (unit) The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water. Viscosity quantifies the inte ...

(St), a CGS unit of kinematic viscosity * Stone (weight) (st.), a unit of mass used in the British Isles and other countries

Medicine

ST segment In electrocardiography, the ST segment connects the QRS complex and the T wave and has a duration of 0.005 to 0.150 sec (5 to 150 ms). It starts at the J point (junction between the QRS complex and ST segment) and ends at the beginning of the ...

, the part of an electrocardiogram connecting the QRS complex and the T wave *

Sulfotransferase Sulfotransferases (SULTs) are transferase enzymes that catalyze the transfer of a sulfo group from a donor molecule to an acceptor alcohol or amine. The most common sulfo group donor is 3'-phosphoadenosine-5'-phosphosulfate (PAPS). In the case o ...

, enzymes that catalyze the transfer of a sulfo group *

Heat-stable enterotoxin Heat-stable enterotoxins (STs) are secretory peptides produced by some bacterial strains, such as enterotoxigenic ''Escherichia coli'' which are in general toxic to animals. These peptides keep their 3D structure and remain active at temperatu ...

, secretory peptides produced by some bacterial strains, such as enterotoxigenic ''Escherichia coli''

Other uses

* -st, a suffix for an ordinal number, such as 1 or 21 * Saint (St or St.), especially in Christianity *

Scheduled Tribes The Scheduled Castes (SCs) and Scheduled Tribes (STs) are officially designated groups of people and among the most disadvantaged socio-economic groups in India. The terms are recognized in the Constitution of India and the groups are designa ...

, in India * Ship prefix for a steam tug * Sine tempore (s.t.), Latin term indicating that a lecture will begin at the exact time; see

Academic quarter (class timing) An academic quarter (localized into various languages in the countries where it is practised) is the quarter-hour (15 minute) discrepancy between the defined start time for a lecture or lesson ("per schema") and the actual starting time, at some u ...

Striker (association football) Forwards (also known as attackers) are outfield positions in an association football team who play the furthest up the pitch and are therefore most responsible for scoring goals as well as assisting them. As with any attacking player, the role ...

, a position in association football * ST, a type of London bus