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Angle of attack
Angle of attack (AOA, also α) is the angle between a wing's chord line and the relative wind. It is the primary variable a pilot uses to control lift.
Angle of repose
The angle of repose is the steepest slope, measured from horizontal, at which a heap of granular material like sand or powder can stand without collapsing or sliding.
Angle of Repose
Angle of Repose is Wallace Stegner's 1971 Doubleday novel, winner of the 1972 Pulitzer Prize for Fiction, narrated by historian Lyman Ward and based on Mary Hallock Foote's letters, with a lasting plagiarism controversy.
ANGLE trial
ANGLE trial (NCT07223762), Hyperangulated Versus Standard Geometry Laryngoscope Blade Trial: Vanderbilt-sponsored randomized trial in 2,500 critically ill ED and ICU adults comparing first-attempt intubation success and hypoxemia between hyperangulated and standard geometry video laryngoscope blades.
Angle-of-arrival estimation
Angle-of-arrival estimation, also called direction-of-arrival (DOA) estimation, is a signal processing method that determines the directions signals arrive from at a sensor array, underpinning radar tracking, sonar, wireless beamforming, and 5G positioning.
Angle-resolved photoemission spectroscopy
Angle-resolved photoemission spectroscopy (ARPES) fires photons at a material and measures the energy and angle of ejected photoelectrons to map its electronic band structure, key to studying superconductors and 2D materials.
Angle-resolved X-ray photoelectron spectroscopy
Angle-resolved X-ray photoelectron spectroscopy (ARXPS) is a non-destructive surface analysis method that records XPS spectra at multiple emission angles to recover depth-dependent composition and chemical states.
Angler on a Wintry Lake
Angler on a Wintry Lake (寒江独釣図, Hanjing Dudiaotu) is a small Southern Song painting attributed to Ma Yuan, showing a lone fisherman through masterful use of blank space.
Anglerfish
Anglerfishes (Lophiiformes) are marine ray-finned fishes that attract prey with a lure, a dorsal-fin spine modified into a baited stalk; about 325 species live from shallow seas to the deep ocean.
Angles
Angles, Germanic people from the North Sea coast (Angulus, near Angeln) who migrated to fifth-century Britain with Saxons and Jutes per Bede; founded Northumbria, East Anglia, Mercia; gave name to England and the English.
Angles (The Strokes album)
Angles (2011) is The Strokes' fourth studio album, their first since 2006, on RCA/Rough Trade. Ten songs, 34 minutes; recorded without Julian Casablancas, who added vocals separately; UK chart peak number 3.
Anglesey
Anglesey (Ynys Môn), Welsh island and unitary authority off northwest Wales, area 276 sq mi, population about 70,000, linked by the Menai crossings, Holyhead ferries to Dublin, tourism-led economy, Wylfa SMR site and Anglesey Freeport.
Anglesey Sea Zoo
Anglesey Sea Zoo (Sw Môr Môn) is an aquarium in Brynsiencyn on the Isle of Anglesey, Wales, displaying only native British marine life and running conservation and rescue programs.
Anglesite
Anglesite is a dense, transparent lead sulfate mineral (PbSO₄) formed in the oxidized zones of lead ore deposits by weathering of galena, and named for Anglesey, Wales.
Anglia Ruskin University
Anglia Ruskin University (ARU), founded as John Ruskin's Cambridge School of Art in 1858, is a public university in eastern England with campuses in Cambridge, Chelmsford, Peterborough, and Writtle; Anglia Polytechnic University from 1992, TEF Gold overall in 2023.
Anglian Water
Anglian Water is the regulated water and water recycling company for most of eastern England, serving around 7 million customers and supplying over 1.2 billion liters of drinking water daily.
Anglican and Episcopal schools outside Britain and Ireland
Anglican and Episcopal schools outside Britain and Ireland are church-connected schools, including about 800 Episcopal schools in the United States and nearly 155 Anglican schools in Australia.
Anglican Church in North America
The Anglican Church in North America is an Anglican jurisdiction with 129,868 members and 1,005 congregations. It was inaugurated in 2009 in Bedford, Texas, by conservatives.
Anglican church schools
Anglican church schools are schools founded or governed by Anglican churches, including 4,630 Church of England schools in England attended by about 1 million children.
Anglican Communion
The Anglican Communion, also known as the Worldwide Anglican Communion, is a worldwide family of 42 autonomous churches in communion with the See of Canterbury, spanning more than 165 countries.
Anglican ministry
Anglican ministry is the ordered ministry of the churches of the Anglican Communion, built on the threefold order of bishops, priests, and deacons and the historic episcopate.
Anglican Use
Anglican Use: Catholic liturgical use for former Episcopalians created by the 1980 Pastoral Provision of John Paul II, using the Book of Divine Worship; a use of the Roman Rite, succeeded by Divine Worship in the Personal Ordinariates.
Anglicanism
Anglicanism, also called Anglican Christianity, is the tradition of churches in the Anglican Communion, arising from the English Reformation and numbering about 100 million faithful.
Anglicisation
Anglicisation is the process of making something English in form, sound, or character: adapting foreign names and words, anglicising Scots from about 1540, or imperial convergence in law across Ireland, America, and India. Its counterpart is nativization of English in India, Nigeria, and Solomon Islands Pijin.
Angling
Angling is a global leisure activity practiced in coastal and inland waters, attracting an estimated 300 million participants yearly and generating at least $47 billion in expenditure.
Anglo
Anglo: a term for English-speaking people or things of English or British origin, from Latin Anglus; in US usage it contrasts with Hispanic heritage, in Canada with French ancestry, and hemispherically with Latin America.
Anglo American Platinum
Anglo American Platinum (Amplats) was a South African platinum group metals miner, the platinum business of Anglo American plc until its 2025 demerger as Valterra Platinum.
Anglo American plc
Anglo American plc, historically the Anglo American Corporation, is a London-listed diversified mining company founded in 1917 that is restructuring around copper, iron ore, and crop nutrients.
Anglo-Afghan Treaty of 1919
The Anglo-Afghan Treaty of 1919, also known as the Treaty of Rawalpindi, was signed on 8 August 1919 in Rawalpindi, ending the Third Anglo-Afghan War and recognizing Afghan independence.
Anglo-America
Anglo-America, also called Anglophone America, is the North American cultural region where English is the shared language, covering most of the United States and Canada except French-speaking Canada.