Delta

Delta commonly refers to:

• Delta (letter) (Δ or δ), a letter of the Greek alphabet
• River delta, a landform at the mouth of a river
• D (NATO phonetic alphabet: "Delta"), the fourth letter of the modern English alphabet
• Delta Air Lines, an American airline
• Delta variant of SARS-CoV-2 that causes COVID-19

Delta may also refer to:

Places

Canada

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

United States

• Mississippi Delta, a region in Mississippi
• 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, a region in California
• Delta, Utah
• Delta, Wisconsin, a town
• Delta (community), Wisconsin, an unincorporated community
• Delta County (disambiguation)

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

Arts and entertainment

Fictional characters

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

Film and television

• Delta (2008 film), a Hungarian film
• Delta (American TV series), a 1992 TV series starring Delta Burke
• Delta (Australian TV series), a 1969 Australian TV series

Music

• alt-J (∆), British indie band
• Delta blues, one of the earliest styles of blues music
• "Delta", a song by Crosby, Stills & Nash from Daylight Again David Crosby 1982

Albums

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

Other media

• Delta (magazine), a small poetry magazine
• Delta (magazine), a science magazine
• Delta (video game), a 1987 video game
• Delta FM or Delta Radio, a former UK radio station

Businesses and organizations

Companies

• Delta Air Lines, an American airline
  • Delta Connection, a regional brand name for Delta Air Lines
• Delta Bank, a Ukrainian bank
• Delta Cafés, a Portuguese coffee roasting and coffee packaging company
• Delta Electric Company, defunct electrical parts company
• Delta Electricity, an Australian power generation company
• Delta Electronics, a Taiwanese electronics manufacturing company
• Delta Faucet Company, a plumbing fixtures company
• Delta Holding, a Serbian import-export, banking, insurance and retail corporation
• Delta Hotels, a Canadian hotel chain
• Delta Machinery, a stationary power tools and equipment company
• Delta Motor Corporation, a South African car manufacturer owned by General Motors
• Delta Motors Corporation, a defunct Filipino auto manufacturer
• DELTA (Dutch cable operator) , Dutch cable operator

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, international schools in Riyadh, Saudi Arabia

Law enforcement

• Delta (Norwegian police unit), a Norwegian police tactical unit

Military

• Delta Force, a U.S. Army special operations force
• Space Force Delta, the symbol of the United States Space Force

Other organizations

• STC Delta, a Georgian research and development center
• American Delta Party, an American political party
• San Francisco Deltas, a soccer team

Finance

• Delta (finance), a first order derivative of an option pricing formula versus the underlying spot price
• Visa Delta or Visa Debit, a brand of debit card

People

• David Macbeth Moir (1798-1851), Scottish physician and writer, under the signature Δ
• Delta Burke (born 1956), American actress
• Delta Goodrem (born 1984), Australian singer
• Delta Work, drag queen from RuPaul's Drag Race
• Penelope Delta (1874–1941), Greek author
• Delta (wrestler) (born 1985), Mexican professional wrestler

Science, technology, and mathematics

Chemistry

• Δ (delta) vs. Λ (lambda) isomers to indicate right vs. left handed propeller twists in coordination complexes
• Crystal field splitting energy (Δ) for metal complexes
• δ (delta) convention, for designating allenes and other cumulated dienes in rings named according to a non-cumulated parent structure
• Double bond isomers, for example in fatty acids, cloprostenol, Δ9-tetrahydrocannabinol

Computing

• Delta (computer), a Russian ZX Spectrum clone
• Delta encoding or delta compression, a technique in computer communications and version control
• Delta timing, a technique used in iterative processes to keep track of time and prevent lag
• DELTA, a debugger for the OpenVMS operating system

Earth sciences

• Epicentral distance (Δ)
• Subtropical Storm Delta (1972), a subtropical storm of the 1972 Atlantic hurricane season
• Tropical Storm Delta (2005), a tropical storm of the 2005 Atlantic hurricane season
• Hurricane Delta (2020), a category 4 hurricane of the 2020 Atlantic hurricane season

Mathematics

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

Medicine and biology

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

Vehicles

• Delta (rocket family), a family of launch vehicles
• Delta, a tricycle layout
• Daihatsu Delta, an automotive nameplate for trucks built by Daihatsu
• Delta Formation, an aircraft formation flying manoeuvre in the shape of a V
• Delta wing, an aircraft wing planform in the form of a triangle
• Delta-class submarine (NATO reporting name), a Soviet/Russian SSBN submarine series
• GM Delta platform, a compact car automobile platform from General Motors
• Lancia Delta, an Italian rally car
• Oldsmobile Delta 88, a full-size General Motors car made from 1965 to 1983
• TrikeBuggy Delta, an American ultralight trike design

Other uses in science and technology

• Delta, the refractory section in the roof of an electric arc furnace
• Delta, a quadra group used in socionics
• Delta baryon, a subatomic particle with spin 3/2
• Delta circuit, in three-phase electric power
• Delta robot, a specialized type of parallel robot
• Ilford Delta, a photographic film

Sport

• Delta (horse) (1946–1960), a champion Australian thoroughbred racehorse
• Mississippi Valley State Delta Devils and Devilettes, an intercollegiate sports teams of the Mississippi Valley State University in Itta Bena, Mississippi
• San Francisco Deltas, a soccer team
• Delta (orienteering club), a former Finnish club

Other uses

• Delta Dental, an American dental plan 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, a professional certification

See also

• Delta model, a strategic management model
• The Delta (disambiguation)
• Nabla symbol ($\nabla$), an inverted delta representing del, a vector differential operator
• Kronecker delta ($\delta _{ij}$), a function
• Dirac delta ($\delta (x)$), a function
• $\Delta ABC$, represents a triangle defined by points A, B and C
• (ε, δ)-definition of limit
• $\Delta \%$ (%CH), a percentage change operation found on some calculators
• $\Delta _{n}^{0}$, a classification in the arithmetical hierarchy
• $\Delta _{n}^{1}$, a classification in the analytical hierarchy
• $\Delta _{i}^{P}$, 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 of 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 1 (disambiguation)
• Delta 4 (disambiguation)
• All pages with titles beginning with Delta
• All pages with titles containing Delta