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
• Delta Air Lines, a United States airline

Delta may also refer to:

Places

• Delta Island, Antarctica
• Delta, Minas Gerais, Brazil
• Delta, Thessaloniki, Greece
• Delta State, Nigeria

Canada

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

United States

• Delta, Alabama
• Delta, Colorado
• Delta, Illinois
• Delta, Iowa
• Delta, Kentucky
• Delta, Louisiana
• Delta, Missouri
• Delta, North Carolina
• Delta, Ohio
• Delta, Pennsylvania
• Delta, Utah
• Delta, Wisconsin, a town
• Delta (community), Wisconsin, an unincorporated community
• Delta County (disambiguation)
• Mississippi Delta, region in Mississippi

Uruguay

• Colonia Delta, San José Department
• Delta del Tigre y Villas, San José Department

Organizations

• STC DELTA, a Georgian research and development center
• Delta Connection, a regional airline brand name for Delta Air Lines
  • Delta Express, a former no-frills brand owned and operated by Delta Air Lines from 1996 to 2003
  • Delta Shuttle, the brand name for Delta Air Lines' hourly air shuttle services
• Delta (pen manufacturer), a manufacturer of fine writing instruments
• Delta Bank, a Ukrainian bank
• Delta Cafés, a Portuguese coffee roasting and coffee packaging company
• Delta Dental, an American dental plan system
• Delta Electric Company, defunct electrical parts company
• Delta Electricity, an Australian power generation company
• Delta Electronics, a power supplies and brushless fans manufacturer
• Delta Faucet Company, a plumbing fixtures company
• Delta Galil Industries, an Israeli textile 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
• American Delta Party, an American political party

Military

• Delta Force, a U.S. Army special operations force
• Emergency Response Unit (Norway), a Norwegian special police forces team

Science and technology

• Delta model, strategic management model
• Ilford Delta, a photographic film
• Delta, the refractory section in the roof of an electric arc furnace
• Delta, a font designed by Aldo Novarese
• Delta robot, a specialized type of parallel robot
• Delta baryon, a subatomic particle with spin 3/2
• Delta circuit, in three-phase electric power

Chemistry

• Δ (delta), and Λ (lambda) isomers; See Coordination complex
• Double bond isomers, for example in fatty acids, tetrahydrocannabinol and cloprostenol

Computing

• Delta (computer), a Russian ZX Spectrum clone
• Delta encoding, a technique in computer communications and version control
• Delta timing, a technique used in iterative processes to keep track of time and prevent lag

Earth sciences

• Delta switching, the process by which some rivers change their course near their deltas
• Tropical Storm Delta (2005), a tropical storm of the 2005 Atlantic hurricane season
• Subtropical Storm Delta (1972), a subtropical storm of the 1972 Atlantic hurricane season
• Epicentral distance (Δ)

Mathematics

• Delta (finance), a first order derivative of an option pricing formula versus the underlying spot price
• Delta method, a method for approximating the distribution of a function of a random variable
• Difference operator (Δ)
• Modular discriminant (Δ)
• Symmetric difference (Δ)
• Laplace operator (Δ)
• Dirac delta function (δ function)
• Δ, a change of state between two before and after state schemas in the Z notation
• Delta connective, a unary connective in t-norm fuzzy logics
• $\delta$, the first Feigenbaum constant

Medicine and biology

• Delta (wasp), Old World genus of potter wasps
• Delta (ligand), an activator of the Notch signaling pathway
• DELTA (taxonomy), a data format used in taxonomy for recording descriptions of living things
• Delta wave, the frequency band of brain activity between 1 and 4 hertz
• Delta wave, on an ECG, the slurred upstroke of the QRS complex which is characteristic of Wolff–Parkinson–White syndrome

Vehicles

• Delta (rocket family), a family of launch vehicles
• Delta-class submarine (NATO reporting name), a Soviet/Russian SSBN submarine series
• 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
• 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
• Delta, a tricycle layout

Film and television

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

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, a 2013 album by Shapeshifter

People

• Delta (wrestler) (born 1985), Mexican professional wrestler
• Penelope Delta (1874–1941), Greek author
• Delta Burke (born 1956), American actress
• Delta Goodrem (born 1984), Australian singer

Fictional characters

• Delta, a codename used by Jason Bourne in The Bourne Identity
• Delta AI, a supporting character in Red vs. Blue
• Delta Megazord, a zord in Power Rangers in Space
• Deltas, the working class of Aldous Huxley's Brave New World

Other uses

• Visa Delta or Visa Debit, a brand of debit card
• Delta Works, a flood-protection works in the Netherlands
• Delta FM or Delta Radio, a former UK radio station
• Delta (video game), a 1987 computer game
• Delta (magazine), a small poetry magazine
• Delta (horse) (1946–1960), champion Australian thoroughbred racehorse
• D (NATO phonetic alphabet)
• Diploma in Teaching English to Speakers of Other Languages, a professional qualification in English language teaching
• Delta, a quadra group used in socionics

See also

• Nabla symbol ($\nabla$), an inverted delta representing del, a vector differential operator
• Kronecker delta ($\delta _{ij}$), 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)
• All pages with titles containing Delta