# ST

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> Source: https://en.wikipedia.org/wiki/ST
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{{wiktionary|ST|St|st|.st|s.t.}}
'''ST''', '''St''', or '''St.''' may refer to:

{{TOC right}}

== Arts and entertainment ==
* [Stanza](/source/Stanza), in poetry
* [Suicidal Tendencies](/source/Suicidal_Tendencies), an American heavy metal/hardcore punk band
* ''[Star Trek](/source/Star_Trek)'', a science-fiction media franchise
* [Summa Theologica](/source/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 (e.g. [Penn St.](/source/Penn_St.))
* "S.T. the Space Traveler", [a 1990 episode](/source/List_of_Alvin_and_the_Chipmunks_(1983_TV_series)_episodes) of ''Alvin and the Chipmunks'' (1983)
*''[Stranger Things](/source/Stranger_Things)'', a Netflix sci-fi horror series

== Businesses and organizations ==
===Transportation===
* ST, the IATA airline designator for German airline [Germania (airline)](/source/Germania_(airline))
* ST, the railroad reporting mark for American railroad [Springfield Terminal Railway (Vermont)](/source/Springfield_Terminal_Railway_(Vermont))
* [Sound Transit](/source/Sound_Transit), a shortened form of Central Puget Sound Regional Transit Authority in the U.S. state of Washington
* State Transport, a shortened form of [Maharashtra State Road Transport Corporation](/source/Maharashtra_State_Road_Transport_Corporation) of India
* Suffolk Transit, a shortened form of [Suffolk County Transit](/source/Suffolk_County_Transit), the bus system serving Suffolk County, New York, U.S.
* [Stouffville line](/source/Stouffville_line) (ST), of the GO Transit rail network in Ontario, Canada
* Sudan ([aircraft registration](/source/aircraft_registration) prefix ST)

===Other businesses and organizations===
* [Statstjänstemannaförbundet](/source/Statstj%C3%A4nstemannaf%C3%B6rbundet), or Swedish Union of Civil Servants, a trade union
* [STMicroelectronics](/source/STMicroelectronics), a worldwide manufacturer of semiconductors
* [ST Engineering](/source/ST_Engineering),  a global technology, defense, and engineering group headquartered in Singapore

==Geography==
* [São Tomé and Príncipe](/source/S%C3%A3o_Tom%C3%A9_and_Pr%C3%ADncipe) (ISO 3166-1 country code ST)
** [.st](/source/.st), Internet country code top-level domain for São Tomé and Príncipe
* [Saxony-Anhalt](/source/Saxony-Anhalt), a state of Germany
* [Split, Croatia](/source/Split%2C_Croatia) (vehicle plate code ST)
* [Stoke-on-Trent postcode area](/source/ST_postcode_area), United Kingdom
* St or St., abbreviation of [Saint](/source/Saint)
* St or St., abbreviation of [Street](/source/Street)
* St or St., abbreviation of [Strait](/source/Strait)

== Language and typography ==
* {{char|st}}, the ISO 639-1 language code for the [Sesotho language](/source/Sesotho_language)
* {{char|ſt}} or {{char|st}}, [typographic ligature](/source/typographic_ligature)s
* Standard Theory in [generative grammar](/source/Generative_grammar)

==Science and technology==
===Computing===
* [ST connector](/source/ST_connector), a type of optical fiber connector
* [Atari ST](/source/Atari_ST), a personal computer
* Prefix of hard disk drives made by [Seagate Technology](/source/Seagate_Technology), e.g. ST-506
* [Internet Stream Protocol](/source/Internet_Stream_Protocol), an experimental Internet protocol
* [Structured text](/source/Structured_text), a high-level programming language that syntactically resembles Pascal and is designed for programmable logic controllers (PLC)
* [.st](/source/.st), the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe

===Mathematics===
* [Standard part function](/source/Standard_part_function), a term used in non-standard analysis

===Physics===
* [Stanton number](/source/Stanton_number) St, used in physics
* [Strouhal number](/source/Strouhal_number) St, used in fluid mechanics
* [String theory](/source/String_theory)

=== Units of measurement ===
* [Stokes (unit)](/source/Stokes_(unit)) (St), a CGS unit of kinematic viscosity
* [Stone (weight)](/source/Stone_(weight)) (st.), a unit of mass used in the British Isles and other countries

===Medicine===
* [ST segment](/source/ST_segment), the part of an electrocardiogram connecting the QRS complex and the T wave
* [Sulfotransferase](/source/Sulfotransferase), enzymes that catalyze the transfer of a sulfo group
* [Heat-stable enterotoxin](/source/Heat-stable_enterotoxin), secretory peptides produced by some bacterial strains, such as enterotoxigenic ''Escherichia coli''

===Technology===
* [Spherical tokamak](/source/Spherical_tokamak), a type of fusion power device sometimes referred to as a spherical torus and often shortened to ST

==Fictional characters==
* St. Claire, a TV presenter, from the film ''[Who Is Killing the Great Chefs of Europe?](/source/Who_Is_Killing_the_Great_Chefs_of_Europe%3F)'', portrayed by [Peter Sallis](/source/Peter_Sallis)

== Other uses ==
* [Scheduled Tribes](/source/Scheduled_Tribes), in India
* [Striker (association football)](/source/Striker_(association_football)), a position in association football
* St (British English), a [saint](/source/saint), especially in Christianity
* St. (American English), a [saint](/source/saint), especially in Christianity
* ST, the [ship prefix](/source/Ship_prefix) for a steam tug or steam trawler
* ST, a type of [London bus](/source/Buses_in_London)
* ST, a court-ordered pseudonym used during a British court case; see [Sudiksha Thirumalesh case](/source/Sudiksha_Thirumalesh_case)
* -st, a suffix for an [ordinal number](/source/Ordinal_number_(linguistics)), such as 1{{sup|st}} or 21{{sup|st}}
* s.t., abbreviation of ''sine tempore'', a Latin term used to indicate that a lecture will begin at the exact time; see [academic quarter (class timing)](/source/academic_quarter_(class_timing))

==See also==
* [ΣΤ (disambiguation)](/source/%CE%A3%CE%A4_(disambiguation)) (sigma tau)
* [STST (disambiguation)](/source/STST_(disambiguation))
* [STFC (disambiguation)](/source/STFC_(disambiguation)) for uses of ST F.C.

{{disambiguation}}

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Adapted from the Wikipedia article [ST](https://en.wikipedia.org/wiki/ST) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/ST?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.