UA, U-A, Ua, uA, or ua may refer to:

Arts and entertainment

Gaming

* ''

Unearthed Arcana ''Unearthed Arcana'' (abbreviated UA) is the title shared by two hardback books published for different editions of the ''Dungeons & Dragons'' fantasy role-playing game. Both were designed as supplements to the core rulebooks, containing materi ...

'', a Dungeons & Dragons sourcebook * ''

Unknown Armies ''Unknown Armies'' is an occult-themed roleplaying game by John Scott Tynes and Greg Stolze, published by Atlas Games. The first edition was published in 1998, with the second and third editions being released in 2002 and 2017 respectively. The ...

'', a role playing game * ''

Urban Assault ''Urban Assault'' is a 3D combined first-person shooter and real-time strategy computer game developed by the German company TerraTools and published by Microsoft in the year 1998. It was the third strategy title that was directly published by ...

'', a first-person shooter and real-time strategy computer game

Music

* Ua (born 1972), a Japanese singer-songwriter * ''

United Abominations ''United Abominations'' is the eleventh studio album by American thrash metal band Megadeth. Released on May 15, 2007, ''United Abominations'' is the first Megadeth release distributed through Roadrunner Records and, with the exception of the ban ...

'', an album by the band Megadeth

Other uses in arts and entertainment

United Artists United Artists Corporation (UA), currently doing business as United Artists Digital Studios, is an American digital production company. Founded in 1919 by D. W. Griffith, Charlie Chaplin, Mary Pickford, and Douglas Fairbanks, the studi ...

, a film studio * ''

The Umbrella Academy ''The Umbrella Academy'' is an American comic book series created and written by Gerard Way and illustrated by Gabriel Bá. The first six-issue limited series, '' The Umbrella Academy: Apocalypse Suite,'' was released by Dark Horse Comics betwee ...

'', a graphic novel by Gerard Way

Businesses and organizations

* ''Uitgesloten aansprakelijkheid'' (lit. "excluded liability"), a Dutch form of

cooperative A cooperative (also known as co-operative, co-op, or coop) is "an autonomous association of persons united voluntarily to meet their common economic, social and cultural needs and aspirations through a jointly owned and democratically-control ...

, which has legal personality, but with members (at least two on incorporation) rather than shareholders, with no capital and therefore no minimum capital or equity requirement, and with articles of association that can be worded such that members are not liable for the actions performed by the Cooperative (or losses suffered), usually used as a holding or finance company *

ultrAslan ultrAslan is a football firm associated with Galatasaray S.K. (football), Galatasaray S.K. The firm was founded on 20 January 2001, after various smaller groups of fans decided that, Galatasaray, which could be seen as a European top club after ...

, a fan group of the Galatasaray Spor Kulübü football team *

Under Armour Under Armour, Inc. is an American sports equipment company that manufactures footwear, sports and casual apparel. Under Armour's global headquarters are located in Baltimore, Maryland, with additional offices located in Amsterdam (European hea ...

, an American clothing brand *

Union Association The Union Association was a league in Major League Baseball which lasted for just the 1884 season. St. Louis won the pennant and joined the National League the following season. Seven of the twelve teams who were in the Association at some poi ...

, a baseball league of 1884 *

United Airlines United Airlines, Inc. (commonly referred to as United), is a major American airline headquartered at the Willis Tower in Chicago, Illinois.

, a major American airline headquartered in Chicago, Illinois (whose IATA airline designator is also ''UA'') *

, a film studio *

United Association The United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada, commonly known as the United Association (UA), is a labor union which represents workers in the plumbing and pipefitti ...

, a plumbing and pipefitting labor union in the U.S. and Canada *

Universal Audio (company) Universal Audio is an American company that designs, imports, and markets audio signal processing hardware and effect pedals, audio interfaces, and digital signal processing, virtual instrument, and digital audio workstation software and pl ...

, a designer and manufacturer of audio signal processing hardware and software *

University Alliance University Alliance (UA) is an association of British universities which was formed in 2006 as the ''Alliance of Non-Aligned Universities'', adopting its current name in 2007. Its membership is made up of technical and professional universiti ...

, a lobbying group of British universities *

UP Aerospace UP Aerospace, Inc. is a private spaceflight corporation headquartered in Denver, Colorado. UP Aerospace provides sub-orbital transportation for corporate, military and educational payloads, via their SpaceLoft XL sounding rocket launch vehicles ...

, a private spaceflight company based in Denver, Colorado

Military uses

* German submarine ''UA'', a German submarine of the Second World War * German ''Type UA'' submarine, of the First World War * , a World War I submarine of Imperial Germany * Unauthorized Absence, a key term for the abandonment of a duty or post without permission (United States) *

Future Force Unit of Action The Future Force unit of action (UA) was designed by the United States Army’s tactical war-fighting echelon. Although optimized for offensive operations, the Future Combat Systems Future Combat Systems (FCS) was the United States Army's princ ...

, a proposed US Army tactical unit

Places

* ''ua'', ISO country code for

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...

* , Ligurian for the Italian commune of

Ovada Ovada (''Uà'' and ''Guà'' in Ligurian, ''Ovà'' in Piedmontese) is a ''comune'' (municipality) of 11,484 inhabitants in the Province of Alessandria in the northern Italian region Piedmont, located about southeast of Turin and about south of ...

Upper Arlington, Ohio Upper Arlington, often known by its initials U.A., is a city in Franklin County, Ohio, United States, on the northwest side of the Columbus metropolitan area. The Old Arlington neighborhood is listed on the National Register of Historic Places. ...

Schools

University of Akron The University of Akron is a public research university in Akron, Ohio. It is part of the University System of Ohio. As a STEM-focused institution, it focuses on industries such as polymers, advanced materials, and engineering. It is classified ...

, a public research university in Akron, Ohio, United States *

University of Alabama The University of Alabama (informally known as Alabama, UA, or Bama) is a Public university, public research university in Tuscaloosa, Alabama. Established in 1820 and opened to students in 1831, the University of Alabama is the oldest and la ...

, a public research university located in Tuscaloosa, Alabama, United States *

University of Alaska system The University of Alaska System is a system of public universities in the U.S. state of Alaska. It was created in 1917 and comprises three separately accredited universities on 19 campuses. The system serves nearly 30,000 full- and part-time stud ...

, a university system in Alaska created in 1975 :*

University of Alaska Anchorage The University of Alaska Anchorage (UAA) is a public university in Anchorage, Alaska. UAA also administers four community campuses spread across Southcentral Alaska: Kenai Peninsula College, Kodiak College, Matanuska–Susitna College, and Prin ...

, the largest university by enrollment in the system :*

University of Alaska Fairbanks The University of Alaska Fairbanks (UAF or Alaska) is a public land-grant research university in College, Alaska, a suburb of Fairbanks. It is the flagship campus of the University of Alaska system. UAF was established in 1917 and opened for cla ...

, the first university and flagship (known from 1925 to 1975 simply as the University of Alaska) :*

University of Alaska Southeast The University of Alaska Southeast (UA Southeast, Alaska Southeast, or UAS) is a public university with its main campus in Juneau, Alaska and extended campuses in Sitka and Ketchikan. It is part of the University of Alaska System and was estab ...

, located in the

capital city A capital city or capital is the municipality holding primary status in a country, state, province, Department (country subdivision), department, or other subnational entity, usually as its seat of the government. A capital is typically a city ...

Juneau The City and Borough of Juneau, more commonly known simply as Juneau ( ; tli, Dzánti K'ihéeni ), is the capital city of the state of Alaska. Located in the Gastineau Channel and the Alaskan panhandle, it is a unified municipality and the se ...

, and the smallest by enrollment *

University of Alicante The University of Alicante ( ca-valencia, Universitat d'Alacant, italic=no, ; es, Universidad de Alicante, italic=no, ; also known by the acronym ''UA'') was established in 1979 on the basis of the Center for University Studies (CEU), which was fo ...

, a public university in Alicante, Spain *

University of Antwerp The University of Antwerp ( nl, Universiteit Antwerpen) is a major Belgian university located in the city of Antwerp. The official abbreviation is ''UA'', but ''UAntwerpen'' is more recently used. The University of Antwerp has about 20,000 stud ...

, one of the major Belgian universities located in the city of Antwerp *

University of Arizona The University of Arizona (Arizona, U of A, UArizona, or UA) is a public land-grant research university in Tucson, Arizona. Founded in 1885 by the 13th Arizona Territorial Legislature, it was the first university in the Arizona Territory. T ...

, a public research university in Tucson, Arizona, United States *

University of Arkansas The University of Arkansas (U of A, UArk, or UA) is a public land-grant research university in Fayetteville, Arkansas. It is the flagship campus of the University of Arkansas System and the largest university in the state. Founded as Arkansas ...

, a public, co-educational, land-grant, space-grant, research university in Fayetteville, Arkansas, United States

Science and technology

Biology and medicine

Unstable angina Unstable angina (UA), also called crescendo angina, is a type of angina pectoris that is irregular. It is also classified as a type of acute coronary syndrome (ACS). It can be difficult to distinguish unstable angina from non-ST elevation (non-Q ...

, a type of heart disease *

Uric acid Uric acid is a heterocyclic compound of carbon, nitrogen, oxygen, and hydrogen with the formula C5H4N4O3. It forms ions and salts known as urates and acid urates, such as ammonium acid urate. Uric acid is a product of the metabolic breakdown of ...

, a metabolic compound *

Urinalysis Urinalysis, a portmanteau of the words ''urine'' and ''analysis'', is a panel of medical tests that includes physical (macroscopic) examination of the urine, chemical evaluation using urine test strips, and microscopic examination. Macroscopic e ...

(also U/A), a set of medical diagnostic tests performed on urine

Computing and telecommunications

.ua .ua is the Internet country code top-level domain (ccTLD) for Ukraine. To register at the second-level (example) domainname.ua, possession of the exact trademark (matching the domain name) is required. It is not required for third-level domain ...

, the Internet country code top-level domain (ccTLD) for Ukraine *

User agent In computing, a user agent is any software, acting on behalf of a user, which "retrieves, renders and facilitates end-user interaction with Web content". A user agent is therefore a special kind of software agent. Some prominent examples of us ...

, a computer networking software class *

User Assistance User assistance is a general term for guided assistance to a user of a software product. The phrase incorporates all forms of help available to a user. Assistance can also automatically perform procedures or step users through the procedure, depen ...

, computer programme manuals and documentation *

Universal Acceptance Universal Acceptance (UA) is a term coined by technologist Ram Mohan in 2001 to represent the principle that every top-level domain (TLD) should function within all applications regardless of script, number of characters, or how new it is. Historic ...

, a term to represent the principle that accepts all the email addresses with every

Top-level domain A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet after the root domain. The top-level domain names are installed in the root zone of the name space. For all domains in ...

(TLD).

Other uses in science and technology

* Unmanned aircraft or

unmanned aerial vehicle An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without any human pilot, crew, or passengers on board. UAVs are a component of an unmanned aircraft system (UAS), which includes adding a ground-based controller ...

(UAV), an aircraft without a human pilot aboard (commonly known as a drone) * Microampere (uA, properly µA), a unit of electric current defined as one-millionth of an

ampere The ampere (, ; symbol: A), often shortened to amp,SI supports only the use of symbols and deprecates the use of abbreviations for units. is the unit of electric current in the International System of Units (SI). One ampere is equal to elect ...

* UA, the product of a heat exchanger's Overall Heat Transfer Coefficient ''U'' and its active exchange area ''A'' in thermodynamics

Other uses

Unit of account In economics, unit of account is one of the money functions. A unit of account is a standard numerical monetary unit of measurement of the market value of goods, services, and other transactions. Also known as a "measure" or "standard" of rela ...

, a nominal monetary unit of measure or currency used to represent the real value (or cost) of any economic item (in economics), or the words that are used to describe the specific assets and liabilities that are reported in financial statements rather than the units used to measure them (in financial accounting) *

Unitary authority A unitary authority is a local authority responsible for all local government functions within its area or performing additional functions that elsewhere are usually performed by a higher level of sub-national government or the national governmen ...

, a type of local authority that has a single tier and is responsible for all local government functions within its area, or performs additional functions which elsewhere in the relevant country are usually performed by national government or a higher level of sub-national government *

Urban area An urban area, built-up area or urban agglomeration is a human settlement with a high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, t ...

, a human settlement with high population density and infrastructure of built environment