AST

Look up AST, Ast, or ast in Wiktionary, the free dictionary.

AST or ast may refer to:

Science and technology

Attention schema theory, of consciousness or subjective awareness

Computing

Abstract syntax tree, a finite, labeled, directed tree used in computer science
Anamorphic stretch transform, a physics-inspired signal transform
Andrew S. Tanenbaum (born 1944), American-Dutch computer scientist, sometimes identified as "ast"
Asynchronous System Trap, a mechanism used in several computer operating systems

Medicine

Aspartate transaminase, an enzyme associated with liver parenchymal cells
Agitated saline test, a diagnostic heart procedure
Antibiotic susceptibility testing, of bacteria
Alternate site testing in blood glucose monitoring

Mathematics

Alternating series test, tests whether infinite series converge
Alternative set theory, an alternative mathematical approach to the concept of set

Organizations

Allied Security Trust, a patent holding company
AST Research, a defunct personal computer manufacturer
Association for Software Testing, US
AST (publisher), a Russian book publishing company
Arsenal Supporters' Trust, English football club supporters

Politics and government

Office of Commercial Space Transportation, a branch of the US FAA
Alaska State Troopers, US state police force
Chadian Social Action (Action Sociale Tchadienne), a defunct Chadian political party

Education

ACT Scaling Test, for year 12 students, Australia
Avanti Schools Trust, UK sponsor of state-funded Hindu schools
Alpha Sigma Tau, a national collegiate sorority of the US
Atlantic School of Theology, an ecumenical university in Atlantic Canada
Conroe ISD Academy of Science and Technology, Texas, US
Avalanche Skills Training, Canada
American School of Tangier
American School of Tegucigalpa
American School of Tripoli
Advanced Skills Teacher, a teaching role in England and Wales
Air Service Training, a flight engineering training school

Transport

Aldershot GO Station, Amtrak station code AST
Astoria Regional Airport (FAA Identifier), airport of Clatsop County, Oregon, US
Aston railway station (National Rail code), a station in Birmingham, England

Time zones

Other uses

Aviation Survival Technician, a US Coast Guard rating
Asti, Italian province and city (was traditionally Ast in the Piemontese dialect)
Assured shorthold tenancy, UK
Asturian language (ISO 639 alpha-3: ast), Spain
Astana Team (UCI code), a professional road bicycle racing team

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