AAC may refer to:

Aviation

Advanced Aircraft Advanced Aircraft Corporation is an aircraft manufacturer based in Carlsbad, California. History AAC bought out Riley Aircraft in 1983. Products The firm has specialised in converting piston-engined Cessna aircraft to turbine-engined configura ...

, a company from Carlsbad, California *

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 aircr ...

, a type of aircraft *

Alaskan Air Command The 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 di ...

, a radar network *

American Aeronautical Corporation The American Aeronautical Corporation (AAC) was founded in October 1928 by Enea Bossi Sr., Enea Bossi, located at 730 Fifth Avenue in Port Washington, New York. Its purpose was to build Savoia-Marchetti seaplanes under license. Licenses were ac ...

, a company from Port Washington, New York * American Aviation, a company from Cleveland, Ohio *

Amphibian Airplanes of Canada Amphibian Airplanes of Canada (AAC) is a developer and marketer of light amphibious aircraft based in Squamish, British Columbia.Vandermeullen, Richard: ''2011 Kit Aircraft Buyer's Guide'', Kitplanes, Volume 28, Number 12, December 2011, pages 42- ...

, a company from Squamish, British Columbia *

Anti-Aircraft Warfare Anti-aircraft warfare (AAW) is the counter to aerial warfare and includes "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It encompasses surface-based, subsurface (Submarine#Armament, submarine-lau ...

Army Air Corps (United Kingdom) The Army Air Corps (AAC) is the aviation arm of the British Army, first formed in 1942 during the Second World War by grouping the various airborne units of the British Army. Today, there are eight regiments (seven Regular Army and one Reserv ...

, a component of the British Army *

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 *

Civil Aviation Authority (El Salvador) The Civil Aviation Authority (, 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, San Salvador Department. Hondu ...

(''Autoridad de Aviación Civil'') * Civil Aviation Authority (Panama) (''Autoridad Aeronáutica Civil'') * IATA airport code for El Arish International Airport in North Sinai Governorate, Egypt *

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 ri ...

, a former component of the United States Army

Education

Anthony Abell College Anthony Abell College ( abbrev: '; ) 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 ...

, 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. It was founded as the McMicken School of Design in 1869, and was a department of the University of Cincinnati, and later in 1887, became the Art Academy ...

, 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 belongin ...

, a Portuguese students' union

Military

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 manufactu ...

, manufacturer of sound suppressors *

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 ...

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 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 for ...

, a youth organisation

Organizations

Adult Association of Canada The Adult Entertainment Association of Canada (AEAC; also called the Adult Association of Canada) is a coalition of strip club owners and their agents that represents 53 of the 140 strip clubs in Ontario, Canada. Tim Lambrinos is the organization ...

, a coalition of strip club owners and their agents *

Affirming Anglican Catholicism Affirming Catholicism, sometimes referred to as AffCath, is a movement operating in several provinces of the Anglican Communion, including the United Kingdom, Ireland, Canada and the United States. In the US the movement is known as Affirming ...

, a religious movement *

Alameda Arts Council Alameda ( ; ; Spanish for " tree-lined path") is a city in Alameda County, California, United States, located in the East Bay region of the Bay Area. The city is built on an informal archipelago in San Francisco Bay, consisting of Alameda Isla ...

American Anglican Council The American Anglican Council began as an organization of theologically conservative Anglicans from both the Anglican Church in North America (ACNA) and The Episcopal Church in the United States. According to its membership brochure, it was fou ...

, a religious organization *

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

, a company *

Australian Aluminium Council The Australian Aluminium Council is the Australian peak industry association representing companies involved in bauxite mining, alumina refining, Production of High Purity Alumina (HPA), aluminium metal production and the production and distributio ...

, an industry association *

Awami Action Committee All Parties Hurriyat Conference (APHC) is an alliance of several political, social and religious organizations formed on 9 March 1993, as a united political front to raise the cause of Kashmiri independence in the Kashmir conflict. Mehmood Ahm ...

, political organisation in Pakistan

Sports

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

, a multipurpose arena in Dallas, Texas *

American Alpine Club The American Alpine Club (AAC) is a non-profit member organization with more than 26,000 members. The club is housed in the American Mountaineering Center (AMC) in Golden, Colorado. Through its members, the AAC advocates for American climbers d ...

, a climbing organization *

American Athletic Conference The American Athletic Conference (AAC), also known as The American, is a collegiate List of NCAA conferences, athletic conference in the United States, featuring 13 full member universities and 6 affiliate member universities that compete in t ...

, 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, 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 belongin ...

, the students' union of the University of Coimbra, which sponsors other sports, including rugby *

Association of Alabama Camps The Association of Alabama Camps has represented the interests of the children and families who attend camps in Alabama, as well as the camps themselves since 1980. These camps serve around a quarter million children, parents, young adults and seni ...

, a youth camp organization *

Atlanta Athletic Club Atlanta Athletic Club (AAC), founded in 1898, is a private country 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 buil ...

, a private athletic club in Duluth, Georgia *

Audax Alpine Classic The Alpine Classic (formerly Audax Alpine Classic) was an Australian bicycle event run every Australia Day weekend (late January) in Bright, Victoria. The decision was made to permanently cancel the event as it was being run at a loss. The eve ...

, a bicycle event in Victoria, Australia

Technology

Advanced Audio Coding Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. It was developed by Dolby, AT&T, Fraunhofer and Sony, originally as part of the MPEG-2 specification but later improved under MPEG-4.ISO (2006ISO/ ...

, an audio compression format *

Air arc cutting Air carbon arc cutting, also referred to as metal arc gouging, and previously as air arc cutting, is an arc cutting process where metal is cut and melted by the heat of a carbon arc. Molten metal is then removed by a blast of air. It employs a cons ...

, 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 Mille Miglia, 1940 Brescia Gr ...

, a car by Ferrari *

Autoclaved aerated concrete Autoclaved aerated concrete (AAC) also referred to as autoclaved cellular concrete (ACC) or simply autoclaved concrete is a lightweight, prefabricated concrete building material. Developed in the mid-1920s, it is an alternative to tradition ...

, a building material *

Photochrom Photochrom, Fotochrom, Photochrome or the Aäc process is a process of hand-colouring of photographs, hand-colouring photographs from a single black-and-white photographic negative, negative with subsequent photographic transfer onto Lithography, ...

, also known as the Aäc process

Other uses

Anesthesiologist assistant Certified anesthesiologist assistants (CAAs) are master’s degree level non-physician anesthesia care providers in North America. CAAs are members of the anesthesia care team as described by the American Society of Anesthesiologists (ASA). This ...

(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, Mar ...

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 Gogodala Rural LLG is a local-level gover ...

, 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 qualificati ...

, also known as antibiotic associated colitis, a medical complication * AAC, a

codon Genetic code is a set of rules used by living cells to translate information encoded within genetic material (DNA or RNA sequences of nucleotide triplets or codons) into proteins. Translation is accomplished by the ribosome, which links prote ...

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 abun ...

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

Armenian Apostolic Church The Armenian Apostolic Church () is the Autocephaly, autocephalous national church of Armenia. Part of Oriental Orthodoxy, it is one of the most ancient Christianity, Christian churches. The Armenian Apostolic Church, like the Armenian Catholic ...

, the national church of Armenia {{disambiguation