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Arrow 3
Arrow 3 is an Israeli-American exo-atmospheric anti-ballistic missile interceptor, jointly developed by Israel and the United States, that destroys long-range ballistic missiles in space; it entered Israeli service in 2017.
Arrow Boy
Arrow Bwoy, born Ali Yusuf, is a Kenyan singer and songwriter from Huruma, Nairobi, whose Afropop, dancehall, and reggae blend broke through with 'Digi Digi' in 2017.
Arrow Cross Party
Arrow Cross Party (Nyilaskeresztes Párt), Ferenc Szálasi's fascist, antisemitic Hungarian party; largest fascist movement after 1935, ruled Nazi-occupied Hungary October 1944 to March 1945, murdered thousands of Budapest Jews.
Arrow Database Connectivity
ADBC (Arrow Database Connectivity) is an Apache Arrow API standard for database access that returns results as Arrow columnar streams, a vendor-neutral, columnar alternative to row-oriented JDBC/ODBC, with drivers for PostgreSQL, SQLite, and Flight SQL.
Arrow Electronics
Arrow Electronics is an American distributor of electronic components and enterprise computing products, founded in 1935 and incorporated in New York in 1946, with 2025 revenue of $30.9 billion.
Arrow Flight
Arrow Flight is Apache Arrow's gRPC-based RPC framework for high-performance transport of Arrow record batches, announced October 2019; distinguishes itself from ODBC/JDBC with parallel, zero-copy columnar streaming reaching GB/s throughput.
Arrow Flight SQL
Arrow Flight SQL is Apache Arrow's wire protocol for SQL database access, built on the Arrow columnar format and Flight RPC over gRPC. Introduced 2022, experimental, with JDBC/ODBC/ADBC drivers and multi-stream parallel reads far faster than JDBC.
Arrow Lake (microprocessor)
Arrow Lake is the codename for Intel client processors sold as Core Ultra 200S (desktop) and 200H/200HX (mobile), announced in October 2024 as Core Ultra Series 2.
Arrow of God
Arrow of God is a 1964 novel by the Nigerian writer Chinua Achebe, his third, portraying the collision between Igbo religion and British colonial rule in 1920s Nigeria.
Arrow of time
The arrow of time, also called the thermodynamic arrow of time, is the asymmetry between past and future: entropy increases toward the future while the fundamental laws of physics are time-symmetric.
Arrow–Debreu model
The Arrow–Debreu model is the formal general-equilibrium model of a private ownership economy, introduced by Kenneth Arrow and Gérard Debreu in a 1954 paper proving competitive equilibrium exists.
Arrow's impossibility theorem
Arrow's impossibility theorem, also called the general possibility theorem from Social Choice and Individual Values, proves no ranked preference aggregation rule satisfies unrestricted domain, Pareto, non-dictatorship, and IIA for three or more alternatives.
Arrowhead
Arrowhead: the tip of an arrow, usually small knapped stone, bone, or metal; archaeologists prefer "projectile point." Oldest claimed examples ~80,000 years (Obi-Rakhmat, Uzbekistan); bow reached eastern North America by Woodland times.
Arrowhead (National Park Service emblem)
The arrowhead is the official emblem of the United States National Park Service, adopted in 1951, showing a sequoia tree, bison, mountains, and water on badges, signs, and publications.
Arrowhead Stadium
Arrowhead Stadium, home of the Kansas City Chiefs in Kansas City, Missouri, since 1972; Guinness record 142.2 dBA crowd roar (2014); hosted 2026 World Cup matches as Kansas City Stadium; Chiefs move to a new Kansas dome in 2031.
Arrowroot
Maranta arundinacea (arrowroot, araruta, garut) is a perennial Marantaceae herb native from Mexico to tropical America, grown for easily digestible starch from its rhizomes, commercially centered on St Vincent.
Arrowroot Capital
Arrowroot Capital, formally Arrowroot Capital Management, LLC, is a growth equity firm in Marina del Rey, California, founded by Matthew Safaii to invest in enterprise software and B2B SaaS companies.
Arrows Grand Prix International
Arrows Grand Prix International, British Formula 1 team 1978-2002 founded by ex-Shadow staff (Ambrosio, Rees, Oliver, Wass, Southgate); raced as Footwork 1991-96; 382 starts, no wins; liquidated 2002-03.
Arrowstreet Capital (asset management firm)
Arrowstreet Capital is a Boston-based quantitative institutional asset manager founded in 1999 by former PanAgora executives Bruce Clarke and Peter Rathjens with Harvard economist John Y. Campbell.
Arrowtown
Arrowtown (Kā Muriwai) is a historic 1862 gold-rush town on the Arrow River, Otago, New Zealand, 20 km from Queenstown, known for Buckingham Street heritage buildings, the restored Chinese miners' settlement, and the Lakes District Museum.
Arrowverse
The Arrowverse, also known as the DC TV Universe, is the shared continuity of DC Comics series on The CW, starting with Arrow in 2012 and built on annual crossovers.
Arroyo
Arroyo: a dry, usually ephemeral streambed or gulch of the arid American Southwest and northern Mexico, also called a dry wash or wadi, that fills after rain; steep alluvial banks, late-1800s incision episode, and cyclical cutting and filling.
Arroyo Naranjo
Arroyo Naranjo, a municipality of Havana, Cuba; founded 1845; 83 km², about 209,878 residents, density 2,300/km²; home to EXPOCUBA; distinct from a stream of the same name in Holguín.
Arroyo Seco
Arroyo Seco (Guanajuato, Mexico) archaeological zone, also Zona Arqueológica Arroyo Seco: rock painting site near Victoria with 46 pictorial groupings on La Zorra and La Pintada hills, occupied 7000 BC to 1800, opened to the public in 2018.
Arrugado
Arrugado (ARRU) is a GeoNames undersea feature code for an area of subdued corrugations off Baja California; also the Spanish adjective for wrinkled. Only 2 toponyms use the code.
Arrukum
Arrukum was a great vizier of the Syrian city-state of Ebla, head of its administration under king Irkab-damu in the second quarter of the 24th century BC.
Ars Amatoria
Ars Amatoria ("The Art of Love") is a three-book didactic poem by the Roman poet Ovid, published around 1 BC, teaching men seduction in Books 1 and 2 and women in Book 3.
ARS Company
ARS Company (АРС) is a Russian music and show-business holding founded by composer Igor Krutoy in January 1989, covering artist management, concerts, radio, and the annual Pesnya Goda festival.
Ars Electronica Center
The Ars Electronica Center, known as the "Museum of the Future", is a media art and technology museum in Linz, Austria, opened in 1996 and expanded in 2009.
Ars grammatica
The Ars grammatica is a fourth-century Latin grammar by Aelius Donatus, composed of the Ars minor and Ars maior and standard for roughly a thousand years.