Alt or ALT may refer to:

Abbreviations for words

* Alt account, an alternative online identity also known as a

sock puppet account A sock puppet, sock puppet account, or simply sock is a false online identity used for deceptive purposes. The term originally referred to a sock puppet, hand puppet made from a sock. Sock puppets include online identities created to praise, ...

Alternate character In role-playing games, an alternate character, often referred to in slang as alt, alt char, or less commonly multi, is a character in addition to one's "primary" or "main" player character. Players are generally not secretive about their alterna ...

, in online gaming *

Alternate route An official alternate route is a special route in the United States that provides an alternate alignment for a highway. They are loop roads and found in many road systems in the United States including the U.S. Highway system and various stat ...

, type of highway designation *

Alternating group In mathematics, an alternating group is the Group (mathematics), group of even permutations of a finite set. The alternating group on a set of elements is called the alternating group of degree , or the alternating group on letters and denoted ...

, mathematical group of even permutations *

Alternative lifestyle An alternative lifestyle or unconventional lifestyle is a lifestyle (sociology), lifestyle perceived to be outside the social norm, norm for a given culture. The term ''alternative lifestyle'' is often used pejoratively. Description of a related ...

Alternative rock Alternative rock (also known as alternative music, alt-rock or simply alternative) is a category of rock music that evolved from the independent music underground of the 1970s. Alternative rock acts achieved mainstream success in the 1990s w ...

Alternator An alternator (or synchronous generator) is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. For reasons of cost and simplicity, most alternators use a rotating magnetic field wit ...

* Alternative subculture or

youth subculture Youth subculture is a youth-based subculture with distinct styles, behaviors, and interests. Youth subcultures offer participants an identity outside of that ascribed by social institutions such as family, employment, work, home and school. Youth ...

, particularly with regard to fashion or aesthetics ("alt fashion," "alt aesthetics") *

Altimeter An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of depth under water. Ty ...

Altitude Altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum (geodesy), datum and a point or object. The exact definition and reference datum varies according to the context (e.g., aviation, geometr ...

Acronyms and initialisms

Aboriginal Land Trust In Australia, an Aboriginal land trust (ALT) is a type of Non-profit organization, non-profit organisation that holds the Freehold (law), freehold title to an area of Real property, land on behalf of a community of Aboriginal Australians. The land ...

, a type of organisation in Australia *

Alanine transaminase Alanine aminotransferase (ALT or ALAT), formerly alanine transaminase (ALT), and even earlier referred to as serum glutamate-pyruvate transaminase (GPT) or serum glutamic-pyruvic transaminase (SGPT), is a transaminase enzyme () that was first c ...

, a liver enzyme of the transaminase family *

Altona railway station Altona railway station is a commuter railway station on the Werribee line, which is part of the Melbourne railway network. It serves the south-western suburb of the same name, in Melbourne, Victoria, Australia. Altona station is a ground le ...

, Melbourne * Alternative lengthening of telomeres, in cellular biology *

Approach and Landing Tests The Approach and Landing Tests were a series of sixteen taxiing, taxi and flight trials of the prototype Space Shuttle Orbiter, Space Shuttle ''Space Shuttle Enterprise, Enterprise'' that took place between February and October 1977 to test the ...

, in space transportation *

Argon laser trabeculoplasty Glaucoma is a group of diseases affecting the optic nerve that results in vision loss and is frequently characterized by raised intraocular pressure (IOP). There are many glaucoma surgeries, and variations or combinations of those surgeries, that ...

, a type of glaucoma surgery * Assistant Language Teacher, in Japan *

Association for Learning Technology The Association for Learning Technology (ALT) is a United Kingdom professional body and learned society. Founded in 1993 as a Registered Charity, ALT brings together people and organisations with an interest in the use of learning technology. Membe ...

, in Oxford, England * Association for Linguistic Typology *

Accelerated life testing Accelerated life testing is the process of testing a product by subjecting it to conditions ( stress, strain, temperatures, voltage, vibration rate, pressure etc.) in excess of its normal service parameters in an effort to uncover faults and potent ...

, testing a product in excess of its normal service parameters * International Conference on Algorithmic Learning Theory, a conference in theoretical computer science

Places and geographical features

Alt, Greater Manchester Alt is a semi-rural and suburban area lying on the borders of the towns of Oldham and Ashton-under-Lyne in Greater Manchester. Alt was formerly a civil parish within the Limehurst Rural District until its abolition in 1954 when its territory wa ...

, formerly a constituent parish of Limehurst Rural District, near Oldham, England *

River Alt The River Alt is an urban river that flows across Merseyside in England. The river has suffered from heavy pollution from industry and sewage upstream and run-off from farmland in its lower reaches. It empties into the River Mersey, near to whe ...

, in Merseyside, England *

Olt (river) The Olt ( Romanian and Hungarian; ; or ', , ''Alytos'') is a river in Romania. It is long, and its basin area is . It is the longest river flowing exclusively through Romania. Its average discharge at the mouth is . It originates in the Hă ...

(), river in Romania *

Altoona Transportation Center The Altoona Transportation Center is an intermodal passenger transport, intermodal passenger facility in downtown Altoona, Pennsylvania. It is served by the daily Amtrak , Greyhound Lines intercity buses, and AMTRAN (Altoona Transit), AMTRAN lo ...

, Pennsylvania, U.S. (Amtrak code ALT) *

Altrincham station Altrincham Interchange is a transport hub in Altrincham, Greater Manchester, England, owned and managed by the Bee Network. It consists of a bus station on Stamford New Road, a Northern Trains-operated heavy rail station on the Mid-Cheshire Li ...

, in Altrincham, England (National Rail station code ALT)

People

Alt (surname) Alt is a surname. Notable people with the surname include: * Albrecht Alt (1883–1956), German bible scholar and Protestant theologian * Carol Alt (born 1960), American model and actress * Don Alt (1916-1988), American politician and businessman * ...

* A.L.T. (born 1970), Mexican-American rapper * André Leon Talley, fashion magazine editor

Music

* ALT (band), Andy White, Liam Ó Maonlaí, Tim Finn * ''ALT'' (album), a 2012 music album by Van der Graaf Generator * ''ALT'' (EP), a 2015 EP by Vanna *

Alt-J Alt-J (stylised as alt-J, real name Δ) are an English indie rock band formed in 2007 in Leeds. Their lineup includes Joe Newman (guitar/lead vocals), Thom Sonny Green (drums), Gus Unger-Hamilton (keyboards/vocals), and formerly Gwil Sainsbury ...

, band * in alt, singing in the octave above the treble staff (G₅ to F₆) * ALT, a robotic singer with songs in the

Bemani , stylized as BEMANI, is Konami's music video game division. Originally named the Games & Music Division (G.M.D.), it changed its name in honor of its first and most successful game, ''Beatmania'', and expanded into other music-based games, m ...

game series including Pop'n Music, Reflec Beat and Jubeat

Technology

* Southern Altai language (ISO-639-3 code "alt") *

Alt attribute The alt attribute is the HTML attribute HTML attributes are special words used to adjust the behavior or display of an ''HTML element''. An attribute either modifies the default functionality of an element type or provides functionality to ...

, in HTML computer language *

Alt key The Alt key (pronounced or ) on a computer keyboard is used to change (alternate) the function of other pressed keys. Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key. For example, simply pressing ''A'' will ty ...

, on a computer keyboard *

ALT Linux ALT Linux is a set of Russian operating systems based on RPM Package Manager (RPM) and built on a Linux kernel and Sisyphus package repository. ALT Linux has been developed collectively by ALT Linux Team developers community and ALT Linux Ltd. ...

, computer software * ''alt.*'' hierarchy, in USENET newsgroups

Other

* Altbier, German beer * ''Alt'' (film), a 2013 Venezuelan short film *

Alt-right The alt-right (abbreviated from alternative right) is a Far-right politics, far-right, White nationalism, white nationalist movement. A largely Internet activism, online phenomenon, the alt-right originated in the United States during the late ...

, an abbreviation of alternative right, a loosely connected far-right, white nationalist movement based largely in the United States {{DEFAULTSORT:Alt