AAC may refer to:

Aviation

* Advanced Aircraft, a company from Carlsbad, California *

Alaskan Air Command Alaskan Air Command (AAC) is an inactive United States Air Force Major Command originally established in 1942 under the United States Army Air Forces. Its mission was to organize and administer the air defense system of Alaska, exercise direct ...

, a radar network * American Aeronautical Corporation, a company from Port Washington, New York * American Aviation, a company from Cleveland, Ohio * Amphibian Airplanes of Canada, a company from Squamish, British Columbia *

El Arish International Airport El Arish International Airport ( ar, مطار العريش الدولي) is an airport near El Arish, Egypt. In 2011 the airport served 5,991 passengers (-45.4% vs. 2010). Operations The airport was the home base of Palestinian Airlines which ...

's IATA code *

Civil Aviation Authority (El Salvador) The Civil Aviation Authority ( es, Autoridad de Aviación Civil, AAC) is the civil aviation agency of El Salvador. The agency conducts investigations into aviation accidents and incidents. The agency is headquartered in Ilopango Airport in Ilopango, ...

(''Autoridad de Aviación Civil'') *

Civil Aviation Authority (Panama) The Civil Aviation Authority (Spanish: Autoridad Aeronáutica Civil) is the civil aviation authority of Panama. Its headquarters are in Building 805 of the former Albrook Air Force Station. Decree No. 147of August 23, 1932 established the agency. S ...

(''Autoridad Aeronáutica Civil'')

Education

Anthony Abell College Anthony Abell College (, ') is a government secondary school in Seria, a town in Belait District, Brunei. It was one of the earliest secondary schools to be established in the country. The school provides five years of general secondary educatio ...

, a secondary school in Brunei *

Art Academy of Cincinnati The Art Academy of Cincinnati is a private college of art and design in Cincinnati, Ohio, accredited by the National Association of Schools of Art and Design. It was founded as the McMicken School of Design in 1869, and was a department of the U ...

, a private college *

Association of American Colleges The American Association of Colleges and Universities (AAC&U) is a global membership organization headquartered in Washington, D.C., United States. It works to improve quality and equity in undergraduate education and advance liberal education ...

known today as the American Association of Colleges and Universities *

Coimbra Academic Association The Associação Académica de Coimbra (AAC) is the students' union of the University of Coimbra (UC). Founded in Coimbra on November 3, 1887, it is the oldest students' union in Portugal. It is also the biggest Portuguese students' union belongi ...

, a Portuguese students' union

Military

Anti-Aircraft Warfare Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes Surface-to-air m ...

Advanced Armament Corporation Advanced Armament Corporation (AAC) is an American company that develops and manufactures firearms, firearm suppressors, muzzle devices and related accessories. History Kevin Brittingham founded Advanced Armament Corporation in 1994 to manufactur ...

, manufacturer of sound suppressors *

Airborne aircraft carrier An airborne aircraft carrier is a type of mother ship aircraft which can carry, launch, retrieve and support other smaller parasite aircraft. The only dedicated examples to have been built were airships, although existing heavier-than-air ai ...

, a type of aircraft *

United States Army Acquisition Corps The United States Army Acquisition Corps (AAC) is the officer / NCO corps of the United States Army Acquisition Workforce (AAW), a branch which includes civilians, officers, and NCOs.Weapon Systems Handbook 2018Page 32 lists how this handbook is o ...

United States Army Air Corps The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early aviation became an increasingly important part of modern warfare, a philosophical r ...

, a former component of the United States Army * Army Air Corps (United Kingdom), a component of the British Army *

Army Apprentices College The Army Apprentices College was a college system in the United Kingdom that offered military training, education and common core skills, leadership and adventurous training, character development and trade training. History The advent of mechanis ...

, a former UK college *

Australian Air Corps The Australian Air Corps (AAC) was a temporary formation of the Australian military that existed in the period between the disbandment of the Australian Flying Corps (AFC) of World War I and the establishment of the Royal Australian Air F ...

, immediate predecessor of the Royal Australian Air force *

Australian Army Cadets The Australian Army Cadets (AAC) is the youth military program and organisation of the Australian Army, tasked with supporting participants to contribute to society, fostering interest in defence force careers, and developing support for the ...

, a youth organisation

Organizations

* Adult Association of Canada, a coalition of strip club owners and their agents * Affirming Anglican Catholicism, a religious movement * Alameda Arts Council * American Anglican Council, a religious organization *

Australian Agricultural Company The Australian Agricultural Company (AACo) () is a public-listed Australian company that, as at 2018, owned and operated feedlots and farms covering around of land in Queensland and the Northern Territory, roughly one percent of Australia's la ...

, a company * Australian Aluminium Council, an industry association

Sports

American Airlines Center The American Airlines Center (AAC) is a multi-purpose indoor arena located in the Victory Park neighborhood in downtown Dallas, Texas. The arena serves as the home of the Dallas Mavericks of the National Basketball Association and the Dallas ...

, a multipurpose arena in Dallas, Texas *

American Alpine Club The American Alpine Club (AAC) is a non-profit member organization with more than 24,000 members. Its vision is to create "a united community of competent climbers and healthy climbing landscapes." The Club is housed in the American Mountaineerin ...

, a climbing organization *

American Athletic Conference The American Athletic Conference (The American or AAC) is an American collegiate athletic conference, featuring 11 member universities and five affiliate member universities that compete in the National Collegiate Athletic Association's (NCAA) ...

, an NCAA college conference made up of primarily Big East Conference teams before 2013 *

Appalachian Athletic Conference The Appalachian Athletic Conference (AAC) is a college athletic conference affiliated with the National Association of Intercollegiate Athletics (NAIA). Members of the conference are located in the Southeastern United States in Tennessee, Kentu ...

, an NAIA college athletics conference * Western North Carolina Athletic Conference, a high school organization known as the ''Appalachian Athletic Conference'' until 2009 *

Asia-Pacific Amateur Championship The Asia-Pacific Amateur Championship is an annual amateur golf tournament. It is played at various locations throughout Asia-Pacific. It is organized by the Asia-Pacific Golf Confederation (APGC) and was first played in 2009. It was organized in ...

, formerly Asian Amateur Championship, an APGC golf tournament * Associação Académica de Coimbra – O.A.F., a Portuguese football organization * Associação Académica de Coimbra – basketball, a Portuguese basketball club * Associação Académica de Coimbra – volleyball, a Portuguese volleyball club *

Associação Académica de Coimbra The Associação Académica de Coimbra (AAC) is the students' union of the University of Coimbra (UC). Founded in Coimbra on November 3, 1887, it is the oldest students' union in Portugal. It is also the biggest Portuguese students' union belongi ...

, the students' union of the University of Coimbra, which sponsors other sports, including rugby * Association of Alabama Camps, a youth camp organization *

Atlanta Athletic Club Atlanta Athletic Club (AAC), founded in 1898, is a private athletic club in Johns Creek, Georgia, a suburb 23 miles north of Atlanta. The original home of the club was a 10-story building located on Carnegie Way, and in 1904 a golf course was bui ...

, a private athletic club in Duluth, Georgia * Audax Alpine Classic, a bicycle event in Victoria, Australia

Technology

Advanced Audio Coding Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 encoders at the same bit rate. AAC has been stan ...

, an audio compression format, with the ''.aac'' file extension * Air arc cutting, a gouging process for metals *

Auto Avio Costruzioni 815 The Auto Avio Costruzioni 815 was the first car to be fully designed and built by Enzo Ferrari. Legal issues with former associates Alfa Romeo prevented Ferrari from creating the Ferrari marque. The 815 raced at the 1940 Brescia Grand Prix, where ...

, a car by Ferrari *

Autoclaved aerated concrete Autoclaved aerated concrete (AAC) is a lightweight, precast, foam concrete building material suitable for producing concrete masonry unit like blocks. Composed of quartz sand (SiO2 with impurities), calcined calcium sulfate (CaSO4, a.k.a ...

, a building material *

Photochrom Photochrom, Fotochrom, Photochrome or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative via the direct photographic transfer of the negative onto lithographic printing plates. The pr ...

, also known as the Aäc process

Other uses

* Anesthesiologist assistant (sometimes abbreviated AA-C), an assistant to an anesthesiologist *

Anne Arundel County, Maryland Anne Arundel County (; ), also notated as AA or A.A. County, is located in the U.S. state of Maryland. As of the 2020 United States census, its population was 588,261, an increase of just under 10% since 2010. Its county seat is Annapolis, whi ...

Antimicrobial Agents and Chemotherapy ''Antimicrobial Agents and Chemotherapy'' is a peer-reviewed scientific journal published by the American Society for Microbiology. It covers antimicrobial, antiviral, antifungal, and antiparasitic agents and chemotherapy. The editor-in-chief is C ...

, an academic journal *

Ari language (New Guinea) The Ari language is a Papuan language of the Trans–New Guinea family. According to the 2000 census, there were only 50 Ari speakers, living in the two villages of Ari and Serea in Gogodala Rural LLG. The language that most resembles Ari is t ...

, coded aac in ISO 639-3 *

Augmentative and alternative communication Augmentative and alternative communication (AAC) encompasses the communication methods used to supplement or replace speech or writing for those with impairments in the production or comprehension of spoken or written language. AAC is used by t ...

, a class of communications methods for people with speech impairments *

Pseudomembranous colitis Colitis is swelling or inflammation of the large intestine ( colon). Colitis may be acute and self-limited or long-term. It broadly fits into the category of digestive diseases. In a medical context, the label ''colitis'' (without qualificatio ...

, also known as antibiotic associated colitis, a medical complication * AAC, a codon for the amino acid

asparagine Asparagine (symbol Asn or N) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH form under biological conditions), an α-carboxylic acid group (which is in the depro ...

Adenine nucleotide translocator Adenine nucleotide translocator (ANT), also known as the ADP/ATP translocase (ANT), ADP/ATP carrier protein (AAC) or mitochondrial ADP/ATP carrier, exchanges free ATP with free ADP across the inner mitochondrial membrane. ANT is the most abund ...

(ANT), also known as the ADP/ATP carrier protein (AAC) {{disambiguation