Au, AU, au or a.u. may refer to:

Science and technology

Computing

.au .au is the Internet country code top-level domain (ccTLD) for Australia. It was created on 5March 1986. Domain name policy is managed by .au Domain Administration (auDA). As of July 2018, the registry is operated by Afilias. History The dom ...

, the internet country code for Australia *

Au file format The Au file format is a simple audio file format introduced by Sun Microsystems. The format was common on NeXT systems and on early Web pages. Originally it was headerless, being 8-bit μ-law algorithm, μ-law-encoded data at an 8000 Hz sample rat ...

, Sun Microsystems' audio format *

Audio Units Audio Units (AU) are a system-level Plug-in (computing), plug-in architecture provided by Core Audio in Apple Inc., Apple's macOS and iOS operating systems. Audio Units are a set of application programming interface (API) services provided by t ...

, a system level plug-in architecture from Apple Computer *

Adobe Audition Adobe Audition is a digital audio workstation developed by Adobe Inc. featuring both a multitrack, non-destructive mix/edit environment and a destructive-approach waveform editing view. Origins Syntrillium Software was founded in the early 1 ...

, a sound editor program *

Windows Update Windows Update is a Microsoft service for the Windows 9x and Windows NT families of the Microsoft Windows operating system, which automates downloading and installing Microsoft Windows software updates over the Internet. The service delivers sof ...

or Automatic Updates, in Microsoft Windows *

Windows 10 Anniversary Update Windows 10 Anniversary Update (also known as version 1607 and codenamed "Redstone 1") is the second major update to Windows 10 Windows 10 is a major release of Microsoft's Windows NT operating system. The successor to Windows 8.1, it wa ...

, of August 2016a

Physics and chemistry

Gold Gold is a chemical element; it has chemical symbol Au (from Latin ) and atomic number 79. In its pure form, it is a brightness, bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal ...

, chemical symbol Au *

Absorbance Absorbance is defined as "the logarithm of the ratio of incident to transmitted radiant power through a sample (excluding the effects on cell walls)". Alternatively, for samples which scatter light, absorbance may be defined as "the negative log ...

unit, a reporting unit in spectroscopy *

Atomic units The atomic units are a system of natural units of measurement that is especially convenient for calculations in atomic physics and related scientific fields, such as computational chemistry and atomic spectroscopy. They were originally suggested ...

, a system of units convenient for atomic physics and other fields *

Ångström unit The angstrom (; ) is a unit of length equal to m; that is, one ten-billionth of a metre, a hundred-millionth of a centimetre, 0.1 nanometre, or 100 picometres. The unit is named after the Swedish physicist Anders Jonas Ångström (1814–18 ...

, a unit of length equal to 10⁻¹⁰ m or 0.1 nanometre. *

Astronomical unit The astronomical unit (symbol: au or AU) is a unit of length defined to be exactly equal to . Historically, the astronomical unit was conceived as the average Earth-Sun distance (the average of Earth's aphelion and perihelion), before its m ...

, a unit of length used in planetary systems astronomy *

Arbitrary unit In science and technology, an arbitrary unit (abbreviated arb. unit, '' see below'') or procedure defined unit (p.d.u.) is a relative unit of measurement to show the ratio of amount of substance, intensity, or other quantities, to a predetermin ...

, a placeholder unit for when the actual value of a measurement is unknown or unimportant

Arts and entertainment

Music

AU (band) AU was a Portland, Oregon experimental pop group established by multi-instrumentalist Luke Wyland. Wyland started AU in 2005 while completing a degree at the Massachusetts College of Art. He later moved cross-country to Portland and established ...

, an experimental pop group headed by Luke Wyland * ''Au'', a 2010 release by Scottish rock band Donaldson, Moir and Paterson * ''Au'' a track on

Some Time in New York City ''Some Time in New York City'' is the fourth collaborative studio album, and second live album by John Lennon and Yoko Ono as Plastic Ono Band. A double album, it includes backing by the American rock band Elephant's Memory. Released in June 19 ...

by an album by John Lennon & Yoko Ono and Elephant's Memory

Magazines

* '' Alternative Ulster'', a Northern Irish music magazine, now called ''AU'' * ''A&U: America's AIDS Magazine'', sponsor of the Christopher Hewitt Award

Other media

Alternative universe (fan fiction) A parallel universe, also known as an alternate universe, world, or dimension, is a plot device in fiction which uses the notion of a hypothetical universe co-existing with another, typically to enable alternative narrative possibilities. The sum ...

, fiction by fan authors that deliberately alters facts of the canonical universe written about. * Au Co, a fairy in Vietnamese mythology * ''

Age of Ultron "Age of Ultron" (abbreviated AU) is a 2013 comic book fictional crossover storyline published by Marvel Comics that involved the conquest of the Earth by the sentient robot tyrant Ultron. The storyline consisted of an eponymous, 10-issue core ...

'', a 2013 series published by Marvel Comics * A.U, a Chinese media franchise and brand

Organizations

au (mobile phone company) au, or au by KDDI, is a Japanese mobile phone operator. au is a brand marketed by KDDI in the main islands of Japan and by Okinawa Cellular in Okinawa for their mobile cellular services. au is the second-largest wireless carrier in Japan ...

, a mobile phone operator in Japan *

African Union The African Union (AU) is a continental union of 55 member states located on the continent of Africa. The AU was announced in the Sirte Declaration in Sirte, Libya, on 9 September 1999, calling for the establishment of the African Union. The b ...

, a continental union *

Americans United for Separation of Church and State Americans United for Separation of Church and State (Americans United or AU for short) is a 501(c)(3) nonprofit organization that advocates for the disassociation of religion and religious organizations from government. The separation of chur ...

Athletic Union An athletic union, athletics union (AU) or sports union usually refers to the group of student sports clubs within a university or other higher education institution in the United Kingdom. General information Sports clubs affiliate to their athl ...

, the union of sports clubs in a British university *

Austral Líneas Aéreas Cielos del Sur S.A., operating as Austral Líneas Aéreas, was a domestic airline of Argentina, the sister company of Aerolíneas Argentinas. It was the second-largest domestic scheduled airline in the country, after Aerolíneas Argentinas. As ...

(IATA code AU) *

Auxiliary Units The Auxiliary Units, Home Guard Shock Squads or GHQ Auxiliary Units were specially trained, highly secret quasi military units created by the British government during the Second World War with the aim of using irregular warfare in response to ...

, specially trained, highly secret units created by the United Kingdom government during the Second World War *

AGROunia The AGROunion (, AU) is a left-wing politics, left-wing agrarian socialism, agrarian socialist political movement in Poland formed by Michał Kołodziejczak. AGROunia criticizes the actions of current politicians in relation to the state of agric ...

, an agrarian-socialist

political party A political party is an organization that coordinates candidates to compete in a particular area's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific political ideology, ...

in Poland

Universities

Asia

Ajou University Ajou University () is a private research university located in Suwon, Gyeonggi-do, South Korea. It was founded in 1973. Ajou University started as Ajou Engineering College with the aim of exchanging technology and culture through education betw ...

in Suwon, Gyeonggi, South Korea *

Abasyn University The Abasyn University is a private university located in Peshawar, Khyber-Pakhtunkhwa, Pakistan. It was founded in 2007. Overview Abasyn university is chartered by the Government of Khyber Pakhtunkhwa and recognized by the Higher Education Com ...

in Peshawar, Khyber Pakhtunkhwa, Pakistan *

Andhra University Andhra University is a public university located in Visakhapatnam, Andhra Pradesh, India. It was established in 1926. It is graded as an A++ institution by NAAC receiving a score of 3.74 on a scale of 4. History King Vikram Deo Verma, the Mah ...

in Visakhapatnam, AP, India *

Anhui University Anhui University (AHU) is provincial public university in Hefei, Anhui, China. It is affiliated with the Anhui Provincial Government, and co-funded by the Anhui Provincial Government, the Ministry of Education (China), Ministry of Education, a ...

in Hefei, Anhui, China *

Aletheia University Aletheia University (after Greek ἀλήθεια, 'truth') () is a private university in Tamsui, New Taipei City and Madou, Tainan in Taiwan. It was founded by George Leslie Mackay as Oxford College. It has close links to the Presbyterian Ch ...

in New Taipei City, Taiwan *

Allahabad University The University of Allahabad is a Central University located in Prayagraj, Uttar Pradesh. It was established on 23 September 1887 by an act of Parliament and is recognised as an Institute of National Importance (INI). It is the 4th oldest mode ...

in Allahabad, Uttar Pradesh, India *

Arellano University Arellano University (AU) is a private university, private, nonsectarian university located in Manila, the Philippines. It was founded in 1938 as a law school by Florentino Cayco Sr., the first Filipino Undersecretary of Public Instruction. The u ...

in Philippines *

Assumption University (Thailand) Assumption University (Thai: มหาวิทยาลัยอัสสัมชัญ, RTGS: Mahawitthayalai Assumption, abbreviated ABAC) also referred to by its acronym AU is a private school, private, Catholic higher education, Catholic, ...

in Thailand * Abhilashi University in Himachal Pradesh, India * Adesh University in Bathinda, Punjab, India.

Europe

Aarhus University Aarhus University (, abbreviated AU) is a public research university. Its main campus is located in Aarhus, Denmark. It is the second largest and second oldest university in Denmark. The university is part of the Coimbra Group, the Guild, and Ut ...

in Aarhus, Denmark *

Aberystwyth University Aberystwyth University () is a Public university, public Research university, research university in Aberystwyth, Wales. Aberystwyth was a founding member institution of the former federal University of Wales. The university has over 8,000 stude ...

in Aberystwyth, Wales, United Kingdom * Akademia Umiejętności in Kraków, Poland * Arden University in Coventry, England

Oceania

Auckland University The University of Auckland (; Māori language, Māori: ''Waipapa Taumata Rau'') is a public university, public research university based in Auckland, New Zealand. The institution was established in 1883 as a constituent college of the Unive ...

in New Zealand

North America

Adelphi University Adelphi University is a private university in Garden City, New York, United States. Adelphi also has centers in Downtown Brooklyn, Hudson Valley, and Suffolk County in addition to a virtual, online campus for remote students. As of 2019, it had ...

in Garden City, New York *

Alfred University Alfred University is a private university in Alfred, New York, United States. It has a total undergraduate population of approximately 1,600 students. The university hosts the statutory New York State College of Ceramics, which includes The In ...

in Alfred, New York *

Algoma University Algoma University, commonly shortened to Algoma U, is a Canadian public university in the province of Ontario, with campuses in Brampton, Sault Ste. Marie, Ontario, Sault Ste. Marie, and Timmins. Algoma U offers bachelor's degrees, master's degre ...

in Sault Ste. Marie, Ontario, Canada *

American University The American University (AU or American) is a Private university, private University charter#Federal, federally chartered research university in Washington, D.C., United States. Its main campus spans 90-acres (36 ha) on Ward Circle, in the Spri ...

in Washington, D.C. *

Anaheim University Anaheim University is a private for-profit university based in Anaheim, California. It was founded in 1996 as the Newport Asia Pacific University.

in Anaheim, California *

Anderson University (Indiana) Anderson University is a private Christian university in Anderson, Indiana, United States. It is affiliated with the Church of God. The university offers more than 60 undergraduate majors as well as graduate programs in business, music, and the ...

in Anderson, Indiana *

Anderson University (South Carolina) Anderson University is a private university in Anderson, South Carolina, United States. It offers bachelor's, master's, and doctoral degrees in over 100 areas of study. Anderson is affiliated with the South Carolina Baptist Convention and is a ...

in Anderson, South Carolina *

Andrews University Andrews University (Andrews) is a private Seventh-day Adventist university in Berrien Springs, Michigan. Founded in 1874 as Battle Creek College, it was the first higher education facility started by Seventh-day Adventists and is the flag ...

in Berrien Springs, Michigan *

Antioch University Antioch University is a private university with multiple campuses in the United States and online programs. It is the continuation of Antioch College, which was founded in 1852. Antioch College's first president was politician, abolitionist, and ...

in Culver City, California *

Apollos University Apollos University was a private for-profit online university headquartered in Great Falls, Montana. It was accredited by the Distance Education Accreditation Commission (DEAC). History The university was founded in August 2004 as a non-profi ...

in Huntington Beach, California *

Arcadia University Arcadia University is a private university in Cheltenham Township, Pennsylvania, with a Glenside mailing address. The university enrolls approximately 3,200 undergraduate, master's, and doctoral students. The 94-acre (380,000 m2) Glenside cam ...

in Glenside, Pennsylvania *

Argosy University Argosy University was a private for-profit university with campuses throughout the United States owned by Dream Center Education Holdings (DCEH), LLC and Education Management Corporation. On February 27, 2019, the U.S. Department of Educat ...

in Alameda, California * Arizona University in Tucson, Arizona *

Ashland University Ashland University is a private university in Ashland, Ohio, United States. The university consists of a main campus and several off-campus centers throughout central and northern Ohio Ohio ( ) is a U.S. state, state in the Midwestern U ...

in Ashland, Ohio *

Athabasca University Athabasca University (AU) is a Canadian public university that primarily operates through online distance education. Founded in 1970, it is one of four comprehensive academic and research universities in Alberta, and was the first Canadian ...

in Athabasca, Alberta, Canada *

Auburn University Auburn University (AU or Auburn) is a Public university, public Land-grant university, land-grant research university in Auburn, Alabama, United States. With more than 26,800 undergraduate students, over 6,100 post-graduate students, and a tota ...

in Auburn, Alabama *

Augsburg University Augsburg University is a private university in Minneapolis, Minnesota, United States. It is affiliated with the Evangelical Lutheran Church in America. It was founded in 1869 as a Norwegian-American Lutheran seminary known as Augsburg Seminari ...

in Minneapolis, Minnesota *

Aurora University Aurora University (AU) is a private university in Aurora, Illinois, United States. Established in 1893 as a seminary of the Advent Christian Church, the university has been independent since 1971. Approximately 6,200 students are enrolled in t ...

in Aurora, Illinois

Other

Air University (disambiguation) Air University may refer to: * Air University (United States Air Force), at Maxwell Air Force Base, Alabama, United States * Air University (Pakistan Air Force), in Islamabad, Pakistan * Air University (South Korean Air Force), in Yuseong-gu, South ...

, various Air Force universities

Places

Aue (toponymy) Aue may refer to: * Aue (toponymy), a frequent element in German toponymy meaning "wetland; river island; river" * Auē, a book by Becky Manawatu Places * Aue, Saxony, a mining town in Saxony, Germany * Aue (Samtgemeinde), a collective munic ...

, a frequent element in Germanic toponymy *

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

(ISO 3166 country code) * Au, Guinea, Kankan Region

Austria

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

(obsolete NATO, FIPS, and LOC MARC two-letter country code) *

Au, Vorarlberg Au (; ) is a town in the Bregenz Forest in Vorarlberg (Austria). Geography The town belongs to the Bregenz Forest, is part of the district of Bregenz, and lies in the '' Upper Bregenz Forst.'' 40 percent of its 45 km2 area is covered ...

, Bregenz, Austria * Au am Leithaberge, Austria * Au im Bregenzerwald, Austria

Germany

Au (Munich) Au () is a district in the south eastern plain tract of the German city of Munich in Bavaria. Au extends from the Deutsches Museum in the north and along the Isar up to Wittelsbacherbrücke (Wittelsbacher Bridge) in the south. In the centre of t ...

, Munich, Germany *

Au (Schwarzwald) Au () is a Municipalities of Germany, municipality in Breisgau-Hochschwarzwald, Baden-Württemberg, Germany. It is located a few kilometres south of Freiburg im Breisgau, in the south-western part of Baden-Württemberg. The municipality belongs ...

, Baden-Württemberg, Germany * Au (squat), a building and cultural center in Frankfurt, Germany * Au am Rhein, Germany *

Au in der Hallertau The municipality of Au in der Hallertau is located in the north of the district of Freising and in the southern part of the Hallertau, in Bavaria, Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. ...

, Germany

Switzerland

* Au, St. Gallen * Au, Zürich * Au peninsula * Schloss Au, a château in Wädenswil

Vehicles

Ford Falcon (AU) The Ford Falcon (AU) is a full-size car that was produced by Ford Australia from 1998 to 2002. It was the sixth generation Ford Falcon and also included the luxury-oriented Ford Fairmont (AU) model range. The AU series replaced the EL Falcon an ...

, a family car made in Australia * Vought AU, a post-World War II US Marine Corps variant of the F4U Corsair aircraft

Other uses

Aú Aú is the capoeira term for a Cartwheel (gymnastics), cartwheel. The purpose of the "''aú''" in capoeira includes mobility, offense and evasion. The ''aú'' has similarity to handstand in capoeira (''bananeira''), but it differs because the bo ...

, a cartwheel in the Brazilian martial art of Capoeira * Au (surname), a Chinese family name * Au language * ''

Ab urbe condita ''Ab urbe condita'' (; 'from the founding of Rome, founding of the City'), or (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, 753 BC, the traditional founding of Rome. It is ...

'' (sometimes abbreviated as a.u.), Latin for "from the founding of the City" (Rome) *

a'u The Indo-Pacific blue marlin (''Makaira mazara'') is a species of marlin belonging to the family Istiophoridae. Taxonomy ''Makaira mazara'' is closely related to, and usually considered conspecific with, the Atlantic blue marlin, then simply c ...

, the Hawaiian name for the Pacific blue marlin {{disambiguation, school