Look up ST, St, st, .st, or s.t. in Wiktionary, the free dictionary.

ST, St, or St. may refer to:

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

• Germania (airline) (IATA airline designator ST)
• Maharashtra State Road Transport Corporation, 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, or Suffolk Transit, the bus system serving Suffolk County, New York

• Statstjänstemannaförbundet, or Swedish Union of Civil Servants, a trade union
• STMicroelectronics, a worldwide manufacturer of semiconductors

• São Tomé and Príncipe (ISO 3166-1 country code ST)
  • .st, 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
• St or St., abbreviation of Street
• St or St., abbreviation of Strait

• Sesotho language (ISO 639-1 language code "st")
• ſt, or st, a typographic ligature
• Standard Theory in generative grammar

• 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, an experimental Internet protocol
• Structured text, a high-level programming language that syntactically resembles Pascal and is designed for programmable logic controllers (PLC)
• .st, the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe
• St (terminal emulator), minimalist terminal emulator by suckless.org

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

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

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

• 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

• -st, a suffix for an ordinal number, such as 1^st or 21^st
• Saint (St or St.), especially in Christianity
• Scheduled Tribes, 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)
• Striker (association football), a position in association football
• ST, a type of London bus
• ST, a court-ordered pseudonym used during a British court case; see Sudiksha Thirumalesh case

• STST (disambiguation)
• STFC (disambiguation) for uses of ST F.C.

This disambiguation page lists articles associated with the title ST.
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