All articles starting with D
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De Finetti's theorem
De Finetti's theorem, also called de Finetti's representation theorem, is a result in probability theory: every infinite exchangeable sequence is a mixture of i.i.d. sequences.
De finibus bonorum et malorum
De finibus bonorum et malorum, also called De finibus or On Moral Ends, is Cicero's five-book ethical dialogue of 45 BC comparing Epicurean, Stoic, and Antiochian views of the supreme good; source of Lorem Ipsum.
De Gaulle (2026 film)
De Gaulle (La Bataille de Gaulle) is a 2026 French two-part biopic by Antonin Baudry, produced by Pathé, adapted from Julian Jackson's biography, starring Simon Abkarian as de Gaulle; released June 2026, over 5 million French admissions.
De Geer chronology
The De Geer chronology, formally the Swedish Time Scale, is a year-by-year timeline built from counting glacial varves, assembled by Swedish geologist Gerard De Geer from 1882 onward.
De Gele
De Gele (德格勒) was a Manchu Bordered Blue Banner official who served the Kangxi Emperor as a Hanlin scholar and rose to President of the Hanlin Academy.
De Gerlache (crater)
De Gerlache is a 32.71 km wide lunar impact crater about 30 km from the Moon's south pole, with a permanently shadowed floor considered for water ice.
De Gids
De Gids is a Dutch literary and cultural magazine founded in 1837 by Everhardus Johannes Potgieter and Robidé van der Aa, the oldest literary periodical in the Netherlands.
De Giorgi–Nash–Moser theorem
The De Giorgi–Nash–Moser theorem is a result in PDE regularity theory: weak solutions of divergence-form equations with rough coefficients are Hölder continuous, proved by De Giorgi, Nash, and Moser in 1957–1960.
De Grolsch Veste
De Grolsch Veste, formerly Arke Stadion, is FC Twente's stadium in Enschede, Netherlands. Opened 10 May 1998, renamed 2008, capacity 30,205; its 2011 roof collapse during expansion killed two workers.
de Haas–van Alphen effect
The de Haas–van Alphen effect is the periodic oscillation of a metal's magnetic susceptibility in a strong magnetic field, first observed in bismuth in 1930.
De Havilland
De Havilland, also known as the De Havilland Aircraft Company, was a British aircraft maker founded by Geoffrey de Havilland in 1920, producing the Moth, the Mosquito, and the Comet.
De Havilland Canada
De Havilland Aircraft of Canada is a Canadian aircraft manufacturer founded in 1928 and headquartered in Calgary, Alberta, known for the Beaver, Twin Otter, and Dash 8.
De Havilland Canada
De Havilland Canada, formally De Havilland Aircraft of Canada Limited, is a Canadian aircraft manufacturer founded in 1928, known for the Beaver, Twin Otter, and Dash 8.
De Havilland Canada Dash 7
The De Havilland Canada Dash 7 is a Canadian four-engine turboprop regional airliner seating up to 50, first flown in 1975 with short takeoff and landing performance.
De Havilland Canada Dash 8
The De Havilland Canada Dash 8 (DHC-8) is a family of twin-engine regional turboprop airliners built in Toronto, ranging from the 37-seat Series 100, first flown in 1983, to the 90-seat Dash 8-400, still in production.
De Havilland Canada DHC-2 Beaver
The De Havilland Canada DHC-2 Beaver, also known as the U-6 Beaver, is a Canadian single-engine bush aircraft first flown in 1947, with about 980 serving US forces in Korea.
De Havilland Canada DHC-3 Otter
The De Havilland Canada DHC-3 Otter is a single-engine STOL utility aircraft built from 1951 to 1967; the US Army was its largest operator, with 200 as the U-1A.
De Havilland Canada DHC-4 Caribou
The De Havilland Canada DHC-4 Caribou, also designated CV-2 and C-7, is a twin-engine STOL cargo aircraft first flown in 1958 that served extensively in Vietnam.
De Havilland Canada DHC-5 Buffalo
The De Havilland Canada DHC-5 Buffalo, designated C-8 or CV-7 by the United States, is a Canadian twin-turboprop STOL tactical transport built from 1965 to 1986.
De Havilland Canada DHC-6 Twin Otter
The De Havilland Canada DHC-6 Twin Otter is a Canadian 19-passenger twin-turboprop STOL utility aircraft, first flown in 1965, with 844 built by 1988 and production later revived.
De Havilland Canada E-9 Widget
The E-9A Widget is a US Air Force range-support aircraft, a converted Dash 8 airliner delivered in 1988 that scans the Gulf of Mexico for boats and relays missile telemetry.
De Havilland Comet
The de Havilland Comet was a British four-jet airliner, the world's first commercial jetliner, flying for BOAC from 1952 until fatigue-related crashes ended its career.
De Havilland Dove
The de Havilland Dove, known in military service as the Devon, is a British twin-engine short-haul airliner first flown in 1945, with 544 built and production lasting into the 1960s.
De Havilland Dragon Rapide
The de Havilland Dragon Rapide (DH.89) is a British twin-engine, all-wood biplane airliner that carried up to eight passengers on short-haul routes from 1934; the RAF used it as the Dominie.
De Havilland Hornet
The de Havilland Hornet (DH Hornet) was a British twin-engine, single-seat long-range fighter that first flew in July 1944 and served in the Malayan Emergency.
De Havilland Mosquito
The de Havilland Mosquito, or Wooden Wonder, was a British twin-engine multi-role combat aircraft of the Second World War, built almost entirely of wood and first flown in 1940.
De Havilland Sea Venom
The de Havilland Sea Venom was a British two-seat, all-weather carrier-based jet fighter of the 1950s, the Royal Navy's first, and saw action at Suez in 1956.
De Havilland Sea Vixen
The de Havilland Sea Vixen was a British twin-engine, twin-boom, carrier-based fleet air-defense fighter flown by the Royal Navy's Fleet Air Arm from the late 1950s to the early 1970s.
De Havilland Tiger Moth
The de Havilland Tiger Moth is a British two-seat biplane that served as the Royal Air Force's standard elementary trainer from 1931 through the Second World War.
De Havilland Vampire
The de Havilland Vampire is a British twin-boom jet fighter, first flown in 1943 and used by the Royal Air Force from 1946 into the 1970s.