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Alstonia scholaris
Alstonia scholaris (devil tree, blackboard tree, dita bark, saptaparni) is an Apocynaceae tree native from South Asia to northern Australia, rich in indole alkaloids, used in Ayurveda and Chinese medicine, with a Chinese leaf-alkaloid bronchitis drug in trials.
Alstroemeria
Alstroemeria, known in the trade as the Peruvian lily or lily of the Incas, is a South American genus of about 132 flowering plant species named by Linnaeus in 1762.
Alstroemeria Records
Alstroemeria Records (アルストロメリアレコーズ) is a Japanese doujin music circle and label, owned by Masayoshi Minoshima, best known for the 2007 track "Bad Apple!! feat. nomico."
Alström syndrome
Alström syndrome is a rare autosomal recessive multisystem genetic disorder caused by ALMS1 variants, first described in 1959, causing blindness, hearing loss, obesity, diabetes, and heart failure.
Alt a 1
Alt a 1, major allergen of Alternaria alternata mold; dimeric beta-barrel glycoprotein of unknown function in spore cell walls; recognized by 80-90% of Alternaria-sensitized patients; marker for fungal allergy diagnosis and immunotherapy.
Alt Capital
Alt Capital is a San Francisco-based early-stage venture capital firm founded by Jack Altman, former CEO of Lattice, which raised $425 million across two funds.
Alt code
An Alt code is a keyboard shortcut on IBM PC-compatible computers: hold Alt, type a number on the numeric keypad, and release it to insert a character.
Alt key
The Alt key is a modifier key on IBM PC–style keyboards, pressed with other keys to invoke shortcuts, type Alt-code characters, and reach menu items; keyboards typically have two.
Alt porn
Alt porn (alternative pornography, also alternaporn or indie porn) is independent pornography featuring subcultural performers with tattoos, piercings, or dyed hair, associated with sites like Blue Blood and SuicideGirls and with feminist and queer cultural activism.
Alt TikTok
Alt TikTok (Alternative TikTok) was a 2020 TikTok subculture defined against mainstream "straight TikTok" (dances, influencers like Charli D'Amelio), known for ironic, nonconformist content, e-girl/e-boy styling, and decline by 2021.
Alt-J
Alt-J (∆) is an English indie rock band formed in 2007 at the University of Leeds by Joe Newman, Gus Unger-Hamilton, Thom Sonny Green, and later-departed Gwil Sainsbury; their debut An Awesome Wave won the 2012 Mercury Prize, and This Is All Yours reached UK No. 1.
Alt-Kölln
Alt-Kölln (Alt-Cölln) is the Berlin-Mitte area of the medieval town of Cölln, first recorded 1237, united with Berlin 1307–1442, merged 1709; its Petriplatz excavations found a beam dated 1183.
Alt-lite
Alt-lite (alt-light): a loosely connected 2016-era current of right-wing media figures between mainstream conservatism and the alt-right, sharing grievances over feminism, immigration, and political correctness while rejecting overt white nationalism; figures include Yiannopoulos, McInnes, Cernovich, and Southern.
Alt-right
Alt-right (alternative right): a loosely organized far-right, white-identity movement rejecting mainstream conservatism for white nationalism; term coined by Richard Spencer in 2008, gained traction in 2016, peaked at Charlottesville 2017.
Alt-Svc
Alt-Svc is an HTTP response header field, defined in RFC 7838 in April 2016, that lets a server advertise an alternative network location or protocol, such as HTTP/3 over QUIC.
Alta Ares
Alta Ares is a French defense-technology startup founded in 2024 that develops AI-guided interceptor systems and software for shooting down drones, missiles, and glide bombs.
Alta California
Alta California (Upper California) was the northwestern province of New Spain, established in 1769. It became Mexican in 1821 and was ceded to the United States in 1848.
Alta Ripa (Hungary)
Alta Ripa (Altaripa) was a Roman auxiliary fort on the Danube at Tolna, Hungary, part of the Ripa Pannonica river frontier; garrisoned by the ala Siliana and ala I Brittonum, its exact site is eroded and uncertain.
Alta Wind Energy Center
The Alta Wind Energy Center is a complex of wind farms in Tehachapi Pass, California, and the largest wind power site in the United States.
Altach
SCR Altach (Sportclub Rheindorf Altach), Austrian Bundesliga football club from Vorarlberg, founded 1929, renamed 1949, professional since 1991, top flight since 2014, playing at the Stadion Schnabelholz.
Altadena, California
Altadena, California: unincorporated Los Angeles County community of about 42,846 north of Pasadena, founded 1887, known for Black homeownership and devastated by the January 2025 Eaton Fire.
Altadis
Altadis S.A. was a Franco-Spanish tobacco company created in 1999 through the merger of Spain's Tabacalera and France's Seita, becoming the world's largest cigar producer.
Altaf Hussain (الطاف حسین) (Pakistani politician)
Altaf Hussain (الطاف حسین), born 1953 in Karachi, founded the Mohajir/Muttahida Qaumi Movement (MQM) through APMSO in 1978 and 1984, led it from London exile from 1992, was expelled in 2016, and was acquitted in a 2022 UK terrorism trial.
Altaf Hussain Hali (الطاف حسین حالی)
Altaf Hussain Hali (الطاف حسین حالی), 1837–1914, Panipat-born Urdu poet, critic, and biographer of the Aligarh movement; wrote Musaddas-e Madd-o Jazr-e Islam (1879), Muqaddama-i Sher-o Shairi (1893), and Yadgar-e-Ghalib, the first biography of Ghalib.
Altaf Raja
Altaf Raja, born 1967 in Nagpur, is an Indian singer trained in qawwali whose 1997 album Tum To Thehre Pardesi sold millions of cassettes and made him a household name.
Altafiber
Altafiber, formerly Cincinnati Bell, is a private fiber-optic telecommunications company headquartered in Cincinnati, Ohio, the incumbent carrier for Greater Cincinnati and, through Hawaiian Telcom, for Hawaii, owned by Macquarie Infrastructure Partners since 2021.
AltaGas
AltaGas is a Canadian energy infrastructure company pairing natural gas midstream operations, including LPG exports to Asia from Ridley Island, with regulated U.S. gas utilities serving 1.6 million customers.
Altai (mobile telephone system)
Altai (Алтай) was a Soviet pre-cellular mobile radiotelephone service allowing car subscribers to dial ordinary landline phones; it entered trial operation in Moscow in 1963.
Altai Krai (Алтайский край)
Altai Krai (Алтайский край), also called Altai Territory, is a Russian federal subject in southeast Western Siberia with center Barnaul, created 1937; a leading agricultural region with 168,000 km², about 2.1 million people, and an 843.6 km border with Kazakhstan.
Altai languages
Altai (Altaic) languages: proposed family uniting Turkic, Mongolic, Tungusic, and in Transeurasian versions Koreanic and Japonic; similarities attributed by most specialists to contact, not common descent.