AB

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AB, Ab, or ab may refer to:

People

• "Able-bodied", used in medicine, and nautical parlance
• Able Seaman (occupation), a civilian occupation
• Able Seaman (rank), a naval rank
• Airman Basic, the lowest rank in the United States Air Force
• Adult Baby, a person who practices paraphilic infantilism

Places

• Ab, alternate name for Anzab-e Olya, village in Iran
• AB postcode area, for Aberdeen postcode area in Scotland, UK
• AB, Albania (WMO country code)
• AB, Alberta (Canadian Province/Territory Code)
• Air Base, used by the United States Air Force for overseas bases

Companies, universities, organizations, and groups

• American Biograph, AB used as a film logo
• Alfa-Beta Vassilopoulos, a Greek supermarket chain
• Anheuser-Busch, the world's third largest brewing company
• Allen-Bradley, a line of industrial control products, manufactured by Rockwell Automation

Company codes

• Air Berlin, IATA code
• Akcinė bendrovė, Lithuanian for "corporation", similar to AG, Ltd or Inc
• AB, Aktiebolag, Swedish for "corporation", similar to AG, Ltd or Inc
• New York stock exchange symbol for AllianceBernstein, a US based asset management firm

Gangs and secret societies

• Afrikaner Broederbond, the South African secret society from 1918–1994
• Aryan Brotherhood, an American gang

Education

• A-B, Alderson-Broaddus College, a liberal-arts college in West Virginia
• Bachelor of Arts, derived from the Latin artium baccalaureus
• Analecta Bollandiana, academic journal

Science, technology and mathematics

• AB Class amplifier
• Ab, The category of abelian groups

Computing and information technology

• ab, ApacheBench, command line tool for Apache HTTP Server
• Answerbag, a questions and answers website

Medicine

• AB blood, blood types in the ABO blood group system
• Antibody, a medical abbreviation
• ab, Rectus abdominis muscle, a paired stomach muscle

Sports

• AB, At Bat, baseball statistic
• Akademisk Boldklub, AB, a Danish professional football club
• A.B., the nickname of Australian cricketer Allan Border
• AB de Villiers, South African middle order batsman

Other uses

• Ancienne Belgique, AB, Belgian concert hall located in Brussels
• AB, Aitareya Brahmana
• Alter Bridge, an American hard rock band
• AB, Assembly Bill, USA legislation type
• Ab., a Hebrew abbreviation related to Pirkei Avot
• ab, Abkhaz language (ISO 639 language code)

Close resemblances and transliterations

• Ab (Semitic), Semitic for "father"
• A-flat (disambiguation) ("A♭"), the musical note, scale, or key
• Av, a month in the Hebrew calendar
• Āb, Persian word for water, see Ap (water)
• Aβ, Beta amyloid
• Ab (Egyptian heart-soul concept), the Egyptian concept of the heart-soul

See also

BA (disambiguation)