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 f ...

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 altern ...

, 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 a ...

, 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 *

Alternative rock Alternative rock, or alt-rock, is a category of rock music that emerged from the independent music underground of the 1970s and became widely popular in the 1990s. "Alternative" refers to the genre's distinction from mainstream or commerci ...

* 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 subcultures ...

, 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, a type of glaucoma surgery * Assistant Language Teacher, in Japan * Association for Learning Technology, in Oxford, England *

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 potenti ...

, testing a product in excess of its normal service parameters *

International Conference on Algorithmic Learning Theory Algorithmic learning theory is a mathematical framework for analyzing machine learning problems and algorithms. Synonyms include formal learning theory and algorithmic inductive inference. Algorithmic learning theory is different from statistic ...

, 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 wher ...

, 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 discha ...

(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 Altrincham Interchange is a transport hub in Altrincham, Greater Manchester, England. It consists of a bus station on Stamford New Road, a Northern Trains-operated heavy rail station on the Mid-Cheshire Line, and a light rail stop which forms ...

, 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 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 Africa ...

, fashion magazine editor

Music

ALT (band) ALT was a one-off band, featuring former New Zealand band Split Enz frontman Tim Finn, Northern Irish singer/songwriter Andy White and the frontman of the Irish band Hothouse Flowers, Liam Ó Maonlaí, that recorded and played together in 1 ...

, 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, band *

in alt A variety of musical terms are likely to be encountered in printed scores, music reviews, and program notes. Most of the terms are Italian, in accordance with the Italian origins of many European musical conventions. Sometimes, the special mus ...

, 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 Southern Altai (also known as Oirot, Oyrot, Altai and Altai proper) is a Turkic language spoken in the Altai Republic, a federal subject of Russia located in Southern Siberia on the border with Mongolia and China. The language has some mutual i ...

(ISO-639-3 code "alt") *

Alt attribute The alt attribute is the HTML attribute used in HTML and XHTML documents to specify alternative Plain text, text (alt text) that is to be displayed in place of an HTML element, element that cannot be rendered. The alt attribute is used for sho ...

, 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 t ...

, 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 Altbier (German: ''old beer'') is a style of beer brewed in the Rhineland, especially around the city of Düsseldorf, Germany. It is a copper coloured beer whose name comes from it being top-fermented, an older method than the bottom ferme ...

, German beer * ''Alt'' (film), a 2013 Venezuelan short film * Alt-right, an abbreviation of alternative right, a loosely connected far-right, white nationalist movement based largely in the United States {{DEFAULTSORT:Alt