Delta

Delta commonly refers to:

• Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet
• D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet
• River delta, at a river mouth
• Delta Air Lines, US

Delta may also refer to:

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Places

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Canada

• Delta, British Columbia
• Delta (federal electoral district), a federal electoral district
• Delta (provincial electoral district)
• Delta, Ontario

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United States

• Mississippi Delta
• Arkansas Delta
• Delta, Alabama
• Delta Junction, Alaska
• Delta, Colorado
• Delta, Illinois
• Delta, Iowa
• Delta, Kentucky
• Delta, Louisiana
• Delta, Missouri
• Delta, North Carolina
• Delta, Ohio
• Delta, Pennsylvania
• Sacramento–San Joaquin River Delta, California
• Delta, Utah
• Delta, Wisconsin, a town and an unincorporated community
• Delta County (disambiguation)

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Elsewhere

• Delta Island, Antarctica
• Delta Stream, Antarctica
• Delta, Minas Gerais, Brazil
• Nile Delta, Egypt
• Delta, Thessaloniki, Greece
• Delta State, Nigeria
• Delta, Astrakhan Oblast, Russia
• Colonia Delta, Uruguay

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Arts and entertainment

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Fictional elements

• Delta Megazord, a Megazord in Power Rangers in Space
• Deltas, a working class in Aldous Huxley's Brave New World

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Film and television

• Delta (2008 film), Hungary
• Delta (American TV series), 1992
• Delta (Australian TV series), 1969
• Macross Delta or Macross Δ, in the Macross anime series

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Music

• Alt-J (∆), a British indie band
• Delta blues, a music style
• "Delta", a song by Crosby, Stills & Nash from Daylight Again, 1982

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Albums

• Delta (video album), 2003, Delta Goodrem
• Delta (Delta Goodrem album), 2007
• Delta (Visions of Atlantis album), 2011
• Delta (Mumford & Sons album), 2018
• Delta, by Shapeshifter, 2013

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Other media

• Metal Gear Solid Delta, a video game
• Subject Delta, the main protagonist of Bioshock 2
• Delta (poetry magazine)
• Delta (science magazine)
• Delta (video game), 1987
• Delta FM or Delta Radio, a former UK radio station

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Businesses and organizations

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Companies

• Delta Air Lines, US
• Delta Connection, a Delta Air Lines brand
• Delta Bank, Ukraine
• Delta Cafés, a Portuguese coffee company
• Delta Electric Company
• Delta Electricity, Australia
• Delta Electronics, Taiwan
• Delta Faucet Company
• Delta Holding, a Serbian corporation
• Delta Hotels, Canada
• Delta Machinery, a tool company
• Delta Motor Corporation, South Africa
• Delta Computer, a defunct computer company
• Delta Motors Corporation, a former automobile company in the Philippines
• Delta (company), a Dutch cable operator

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Schools

• Delta State (disambiguation), several universities
• Delta College (disambiguation)
• Delta Academy (disambiguation)
• Delta Secondary School (disambiguation)
• Delta High School (disambiguation)
• Delta School District (disambiguation)
• Delta Career Education Corporation, US
• Delta International University of New Orleans, Louisiana, US
• Delta Schools, Riyadh, Saudi Arabia

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Law enforcement and military

• Delta (Norwegian police unit)
• Delta Force, U.S. Army special operations
• Space Force Delta, US Space Force logo
• Space Delta, a command echelon in the structure of the United States Space Force

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Other organizations

• Delta Sigma Theta, a historically Black college sorority often referred to simply as "Delta".
• STC Delta, a Georgian R&D center
• American Delta Party, an American political party
• San Francisco Deltas, a soccer team

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Finance

• Delta (finance), rate of change of a value
• Visa Delta or Visa Debit, a debit card

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People

• Δ, signature of David Macbeth Moir (1798–1851), Scottish physician and writer
• Delta Burke (born 1956), American actress
• Delta Dorsch (1915–2011), U.S. Virgin Islands public servant
• Delta Goodrem (born 1984), Australian singer
• Delta Work (Gabriel A. Villarreal), American drag performer
• Penelope Delta (1874–1941), Greek author
• Delta (wrestler) (born 1985), Mexican professional wrestler

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Science and technology

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Chemistry

• Δ (delta), right-handed isomer in a coordination complex
• Delta convention, for designating allenes
• Δ, notation for double bond positions in fatty acids

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Computing

• Delta (computer), a Russian ZX Spectrum clone
• Delta encoding or delta compression, in computer communications
• Delta timing, in relation to hardware and network responsiveness
• Delta (emulator), a video game console emulator
• DELTA, an OpenVMS debugger

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Earth sciences

• Epicentral distance (Δ)
• Subtropical Storm Delta (1972), Atlantic
• Tropical Storm Delta (2005), Atlantic
• Hurricane Delta, (2020) Atlantic

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Mathematics

• Δ, a difference of state between two before and after state schemas in the Z notation
• $\backslash delta$, the first Feigenbaum constant
• Delta connective, a unary connective in t-norm fuzzy logics
• Delta method for approximating the distribution of a function
• Difference operator (Δ)
• Dirac delta function ( function)
• Kronecker delta ($\backslash delta\_\{ij\}$)
• Laplace operator (Δ)
• Modular discriminant (Δ)
• Symmetric difference (Δ)
• Non-inferiority margin (δ)
• Δ, a class of sets in the analytical hierarchy, for every natural number m, n

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Medicine and biology

• Delta (ligand), an activator of the notch signaling pathway
• DELTA (taxonomy), a data format for descriptions of living things
• Delta (wasp), Old World genus of potter wasps
• Delta (moth) ( Campydelta), a genus
• Delta variant, of SARS-CoV-2 that causes COVID-19
• Delta wave, a brain wave

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Vehicles

• Delta (rocket family)
• Delta, a tricycle layout
• Daihatsu Delta, trucks
• Delta formation, V-shaped aircraft formation
• Delta wing, a triangular aircraft wing
• Delta-class submarine (NATO reporting name), Soviet/Russian SSBN
• General Motors Delta platform, a car platform
• Lancia Delta, an Italian rally car
• Oldsmobile Delta 88, a GM 1965–1983
• TrikeBuggy Delta, an American ultralight trike

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Other science and technology

• Refractory delta, in the roof of an electric arc furnace
• Delta baryon, a subatomic particle
• Delta circuit, in three-phase electric power
• Delta robot, a delta-shaped parallel robot
• Ilford Delta, a photographic film
• Depleted Lean-channel Transistor, the first type of fin field-effect transistor

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Sport

• Delta (horse) (1946–1960), Australia
• Mississippi Valley State Delta Devils and Devilettes, sports teams, Itta Bena, Mississippi, US
• San Francisco Deltas, a soccer team
• Delta (orienteering club), a Finnish former club

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Other uses

• Delta Dental, an American system
• Delta Works, a flood-protection works in the Netherlands
• Delta, a font designed by Aldo Novarese
• Diploma in Teaching English to Speakers of Other Languages
• Delta, a quadra group used in socionics

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See also

• The Delta (disambiguation)
• Delta model, a strategic management model
• Nabla symbol ($\backslash nabla$), an inverted delta representing del, a vector differential operator
• Kronecker delta ($\backslash delta\_\{ij\}$), a function
• Dirac delta ($\backslash delta(x)$), a function

• $\backslash Delta\; ABC$, a triangle defined by points A, B and C
• (ε, δ)-definition of limit
• $\backslash Delta\; \backslash \%$ (%CH), a percentage change operation found on some calculators
• $\backslash Delta^0\_n$, a classification in the arithmetical hierarchy
• $\backslash Delta^1\_n$, a classification in the analytical hierarchy
• $\backslash Delta^P\_i$, a classification in the polynomial hierarchy
• δ¹³C, a measure of the ratio of stable isotopes 13C:12C
• δ¹⁵N, a measure of the ratio of stable isotopes 15N:14N
• δ¹⁸O, a measure of the ratio of stable isotopes oxygen-18:oxygen-16
• DeltaWing, a prototype racing car
• High-leg delta, a three phase electrical circuit
• Delta Delta Delta, a sorority
• Delta function (disambiguation)
• Task Force Delta (disambiguation)
• Delta Force (disambiguation)
• Delta class (disambiguation)
• Delta 1 (disambiguation)
• Delta 4 (disambiguation)
• and δ
• and δ

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