AST is a three-letter abbreviation that stands for a number of different things. The TLA (three-letter acronym or three-letter abbreviation) is a TLA and is the most popular type of abbreviation in technical terminology, and is also very common in general language. ...

• In aviation, it means Advanced Supersonic Transport.
• In computer science, it means abstract syntax tree.
• In mathematics, it refers to the Alternating series test.
• In medicine, it refers to the liver enzyme aspartate transaminase.
• In space, it means the Office of Commercial Space Transportation.
• In companies, it means Adilsoft Technologies.
• In the Coast Guard, Aviation Survival Technician, a level of training

• AST is an abbreviation for two time zones:
  • Alaska Standard Time - note that "AKST" is commonly used to designate Alaska Standard Time, to distinguish between Atlantic and Alaskan time.
  • Atlantic Standard Time.

• AST Research, Inc. manufactured personal computers from 1980 to 1999. The name was then owned by AST Computers, LLC.
• AST Sports Science is a manufacturer and marketer of nutritional supplements.
• ACT Scaling Test is a series of aptitude tests taken by Year 12 students in ACT, Australia.
• Action Sociale Tchadienne or Chadian Social Action, a Chadian political party.
• Active Servo Technology, a patented technology employed in Yamaha loudspeakers.
• Adequacy Style Troll.
• Abstract Test Suite.
• Alpha Sigma Tau is a popular sorority at colleges across the United States.
• Alternative Set Theory.
• American Shaolin Temple martial arts school in Inglewood, Ca. Founded by Grandmaster Gaylin Griffie.
• Ancient Sanctuary, a Yu-Gi-Oh! Trading Card Game booster pack
• Applied Simulation Technologies provides virtual training software.
• Army Satellite Tracking Center, military.
• Army Science and Technology, military.
• Army Staff Target, military.
• Aspartate transaminase (aminotransferase).
• Associate Administrator for Commercial Space Transportation, (FAA).
• Association for Software Testing.
• Association of Surgical Technologists.
• Assured Shorthold Tenancy.
• Aston railway station (National Rail code), United Kingdom.
• Astro Star Tracker.
• Asturian language (ISO 639 alpha-3, ast).
• Asynchronous System Traps, a feature of certain DEC operating systems.
• Atlantic School of Theology.
• Conroe ISD Academy of Science and Technology, magnet high school.
• Aboveground Storage Tank

For people: In computer science, an abstract syntax tree (AST) is a finite, labeled, directed tree, where the internal nodes are labeled by operators, and the leaf nodes represent the operands of the node operators. ... The alternating series test is a method used to prove that infinite series of terms converge. ... Aspartate transaminase (AST) also called Serum Glutamic Oxaloacetic Transaminase (SGOT) or aspartate aminotransferase (ASAT) (EC 2. ... The Office of Commercial Space Transportation is a division of the United States Federal Aviation Administration (FAA) that approves any commercial rocket launches—that is, any launches that are not classified as model, amateur, or by and for the government. ... The United States Coast Guards Rescue Swimmers are trained at its Aviation Survival Technican / Rescue Swimmer school in Elizabeth City, North Carolina. ... The Alaska Time Zone is a Time Zone located west of the Pacific Time Zone. ... The Atlantic Standard Time Zone (AST) is a geographic region that keeps time by subtracting four hours from Coordinated Universal Time (UTC). ... It has been suggested that this article or section be merged with AST Computers, LLC. (Discuss) AST Research, Inc. ... It has been suggested that this article or section be merged with AST Research, Inc. ... The ACT Scaling Test (AST) is a test of apitude in studies for Year 12 students in the Australian Capital Territory (ACT) set by the ACT Board of Senior Secondary Studies (BSSS). ... The Chadian Social Action (Action Sociale Tchadienne or AST) was an African political party founded in 1953 in Colonial Chad. ... The Chadian Social Action (Action Sociale Tchadienne or AST) was an African political party founded in 1953 in Colonial Chad. ... Yamaha may refer to: Yamaha Corporation – A manufacturer of a diverse range of musical instruments and electronics. ... A loudspeaker is a device which converts an electrical signal into sound. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ... Alpha Sigma Tau (AΣT) Sorority is a national collegiate sorority founded on November 4, 1899 at Michigan State Normal College (now Eastern Michigan University). ... An alternative set theory is an alternative mathematical approach to the concept of set. ... Ancient Sanctuary (AST) was the eleventh English booster to be released in the Yu-Gi-Oh! Trading Card Game, and the last one to follow the original English booster format (2 secret rares, 10 ultra rares, 10 super rares). ... The Yu-Gi-Oh! Trading Card Game is a collectible card game based on Duel Monsters, which appears as the main plot device in the popular Japanese manga Yu-Gi-Oh!, Toeis Yu-Gi-Oh! series, and NASs Yu-Gi-Oh! series. ... Aspartate transaminase (AST) also called Serum Glutamic Oxaloacetic Transaminase (SGOT) or aspartate aminotransferase (ASAT) (EC 2. ... The Association for Software Testing, commonly referred to as the AST, is a nonprofit organization dedicated to advancing the understanding and practice of software testing. ... The Assured Shorthold Tenancy is an important class of residential tenancy agreement in the UK, used in many instances for the letting of accommodation. ... Aston railway station serves the district of Aston in Birmingham, West Midlands. ... Asturian, Leonese, Astur-Leonese or Bable (Asturianu in Asturian, Llïonés in Leonese) is a Romance language spoken in some parts of the provinces of Asturias, León, Zamora and Salamanca in Spain, and in the area of Miranda de Douro in Portugal (where it is officially recognized as... ISO 639 is one of several international standards that lists short codes for language names. ... Asynchronous system trap (AST) refers to a mechanism used in several computer operating systems designed by the former Digital Equipment Corporation ( DEC) of Maynard, Massachusetts. ... The Atlantic School of Theology (AST) is an ecumenical university which provides graduate level theological education and research, and in formation for Christian ministries, lay and ordained, in church and society, primarily in Atlantic Canada. ... The Conroe Independent School District Academy of Science and Technology, in Conroe, Texas is a specialized magnet school in science and technology; also a member of NCSSSMST. It is currently spread between Oak Ridge High School and The Woodlands College Park High School. ...

• Andrey Silvestrov-Tchaly.
• Andrew S. Tanenbaum (a well-known computer scientist) often uses this acronym as his identifier.

AST is the FAA Identifier of Astoria Regional Airport Dr. Andrew Stuart Andy Tanenbaum (born 1944) is a professor of Computer Science at Vrije Universiteit, Amsterdam in the Netherlands. ... Astoria Regional Airport (IATA: AST, ICAO: KAST), is a public airport located three miles (4. ...

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