ST, St, or St. may refer to:

Arts and entertainment

Stanza In poetry, a stanza (; from Italian language, Italian ''stanza'' , "room") is a group of lines within a poem, usually set off from others by a blank line or Indentation (typesetting), indentation. Stanzas can have regular rhyme scheme, rhyme and ...

, in poetry * Suicidal Tendencies, 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 vari ...

, a science-fiction media franchise * Summa Theologica, 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) (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 flee ...

, abbreviated as State Transport * Sound Transit, 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 con ...

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

Other businesses and organizations

Statstjänstemannaförbundet The Swedish Union of Civil Servants (ST) is a trade union A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their em ...

, 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, a state of Germany * Split, Croatia (vehicle plate code ST) * Stoke-on-Trent postcode area, United Kingdom * St or St., abbreviation of

Saint In religious belief, a saint is a person who is recognized as having an exceptional degree of Q-D-Š, holiness, likeness, or closeness to God. However, the use of the term ''saint'' depends on the context and Christian denomination, denominat ...

* 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 dirt, ...

* St or St., abbreviation of

Strait A strait is an oceanic landform connecting two seas or two other large areas of water. The surface water generally flows at the same elevation on both sides and through the strait in either direction. Most commonly, it is a narrow ocean channe ...

Language and typography

* Sesotho language (ISO 639-1 language code "st") *

ﬅ ST, St, or St. may refer to: Arts and entertainment * Stanza, in poetry * Suicidal Tendencies, an American heavy metal/hardcore punk band * Star Trek, a science-fiction media franchise * Summa Theologica, a compendium of Catholic philosophy an ...

, or st, a typographic ligature * Standard Theory in generative grammar

Science and technology

Computing

ST connector An optical fiber connector joins optical fibers, and enables quicker connection and disconnection than splicing. The connectors mechanically couple and align the cores of fibers so light can pass. Better connectors lose very little light due ...

, a type of optical fiber connector *

Atari ST The Atari ST is a line of personal computers from Atari Corporation and the successor to the Atari 8-bit family. The initial model, the Atari 520ST, had limited release in April–June 1985 and was widely available in July. It was the first pers ...

, a personal computer * Prefix of hard disk drives made by

Seagate Technology Seagate Technology Holdings plc is an American data storage company. It was incorporated in 1978 as Shugart Technology and commenced business in 1979. Since 2010, the company has been incorporated in Dublin, Ireland, with operational headquart ...

, e.g. ST-506 * Internet Stream Protocol, an experimental Internet protocol *

Structured text Structured text, abbreviated as ST or STX, is one of the five languages supported by the IEC 61131-3 standard, designed for programmable logic controllers (PLCs). It is a high level language that is block structured and syntactically resembles ...

, 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) suckless.org is a free software community of programmers working on projects with a focus on minimalism, simplicity, clarity, and frugality. The group developed the dwm and wmii window managers, surf tabbed, and other programs that are said to a ...

, minimalist terminal emulator by suckless.org

Mathematics

Standard part function In nonstandard analysis, the standard part function is a function from the limited (finite) hyperreal numbers to the real numbers. Briefly, the standard part function "rounds off" a finite hyperreal to the nearest real. It associates to every suc ...

, a term used in non-standard analysis

Physics

Stanton number The Stanton number, ''St'', is a dimensionless number that measures the ratio of heat transferred into a fluid to the thermal capacity of fluid. The Stanton number is named after Thomas Stanton (engineer) (1865–1931). It is used to characterize ...

St, used in physics *

Strouhal number In dimensional analysis, the Strouhal number (St, or sometimes Sr to avoid the conflict with the Stanton number) is a dimensionless number describing oscillating flow mechanisms. The parameter is named after Vincenc Strouhal, a Czech physicist who ...

St, used in fluid mechanics *

String theory In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. String theory describes how these strings propagate through space and interac ...

Units of measurement

* Stokes (unit) (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, the part of an electrocardiogram connecting the QRS complex and the T wave * Sulfotransferase, enzymes that catalyze the transfer of a sulfo group * Heat-stable enterotoxin, secretory peptides produced by some bacterial strains, such as enterotoxigenic ''Escherichia coli''

Other uses

* -st, a suffix for an

ordinal number In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets. A finite set can be enumerated by successively labeling each element with the least n ...

, such as 1 or 21 *

(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 A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship that has historically served numerous purposes, such as identifying the vessel's mode of propulsion, purpose, or ownership/n ...

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