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 is defined as a person whose actions are controlled by another. It is a reference to the manipulation of a simple hand puppet made from a sock, and is often used to refer to alternative online identities or user accounts used fo ...

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 alternat ...

, 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 state ...

, type of highway designation *

Alternating group In mathematics, an alternating group is the 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 by or Basic pr ...

, mathematical group of even permutations *

Alternative lifestyle An alternative lifestyle is a lifestyle perceived to be outside the norm for a given culture. The phrase "alternative lifestyle" is often used pejoratively. Description of a related set of activities as alternative is a defining aspect of certai ...

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 ...

* 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, work, home and school. Youth subcultu ...

, 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. The m ...

Altitude Altitude or height (also sometimes known as depth) is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context ...

Acronyms and initialisms

* Aboriginal Land Trust, a type of organisation in Australia *

Alanine transaminase Alanine transaminase (ALT) is a transaminase enzyme (). It is also called alanine aminotransferase (ALT or ALAT) and was formerly called serum glutamate-pyruvate transaminase or serum glutamic-pyruvic transaminase (SGPT) and was first characte ...

, a liver enzyme of the transaminase family * Alternative lengthening of telomeres, in cellular biology * Approach and Landing Tests, 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, tha ...

, 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 * Accelerated life testing, 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, formerly a constituent parish of Limehurst Rural District, near Oldham, England * River Alt, in Merseyside, England *

Olt (river) The Olt ( Romanian and Hungarian; german: Alt; la, Aluta or ', tr, Oltu, grc, Ἄλυτος ''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 disch ...

(german: Alt, links=no), river in Romania *

Altoona Transportation Center The Altoona Transportation Center is an intermodal passenger facility built in 1986 providing local bus, intercity bus, and rail services. It is located at 1231 11th Avenue in downtown Altoona, Pennsylvania. It replaced the original PRR Altoo ...

, Pennsylvania, U.S. (Amtrak code ALT) * Altrincham station, in Altrincham, England (National Rail station code ALT)

People

* Alt (surname) * A.L.T. (born 1970), Mexican-American rapper *

André Leon Talley André Leon Talley (October 16, 1948 – January 18, 2022) was an American fashion journalist, stylist, creative director, and editor-at-large of '' Vogue'' magazine. He was the magazine's fashion news director from 1983 to 1987, its first Afr ...

, 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 Gwilym Sainsbu ...

, 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, mos ...

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

Technology

* Southern Altai language (ISO-639-3 code "alt") * Alt attribute, 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 ...

, on a computer keyboard * ALT Linux, computer software * ''alt.*'' hierarchy, in USENET newsgroups

Other

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

Alt-right The alt-right, an abbreviation of alternative right, is a far-right, white nationalist movement. A largely online phenomenon, the alt-right originated in the United States during the late 2000s before increasing in popularity during the mid-2 ...

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