Look up delta in Wiktionary, the free dictionary.

Delta most commonly refers to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ...

• Delta (letter), the letter Δ or δ in the Greek alphabet, also used as a mathematical symbol
• River delta, a landform at the mouth of a river

Delta also has the following meanings: Look up Δ, δ in Wiktionary, the free dictionary. ... Nile River delta, as seen from Earth orbit. ...

Abbreviations

• DELTA (ELT), an advanced diploma in English language teaching
• DELTA (taxonomy), the DEscription Language for TAxonomy

DELTA, the Diploma in English Language Teaching to Adults, is a professional qualification awarded by the University of Cambridge English for Speakers of Other Languages (ESOL), a part of Cambridge University. ... DELTA (DEscription Language for TAxonomy) is a data format for recording taxonomic descriptions for computer processing. ...

People

• Delta Goodrem, Australian singer and actress
• Delta Burke, American actress
• Penelope Delta, Greek writer

Delta Lea Goodrem (born 9 November 1984) is a multi-ARIA Award winning Australian singer-songwriter, pianist and Logie Award winning actress. ... Delta Ramona Leah Burke (born July 30, 1956 in Orlando, Florida) is an American television and film actress. ... Image:Delta1. ...

Places

Canada

• Delta, British Columbia (the town located immediately south of the Fraser River delta)
  • Delta (provincial electoral district)
  • Delta (electoral district), a federal electoral district

Delta is a district municipality in British Columbia, Canada. ... Delta was the name of a provincial electoral district in the Canadian province of British Columbia based on the municipality of Delta at the mouth of the Fraser River between the city of Vancouver and the US border. ... Delta was a former federal electoral district represented in the Canadian House of Commons, and located in the province of British Columbia. ...

Nigeria

• Delta State, Nigeria

Delta State is a state in Nigeria, named for the delta of the river Niger. ...

United States

• Delta, Colorado
• Delta, California
• Delta, Iowa
• Delta, Kentucky
• Delta, Louisiana
• Delta, Missouri
• Delta, Ohio
• Delta, Pennsylvania
• Delta, Utah
• Delta, Wisconsin
• Delta Charter Township, Michigan
• Delta County, Colorado
• Delta County, Michigan
• Delta County, Texas

See also: Mississippi Delta (disambiguation) Delta is a city in Delta County, Colorado, United States. ... Delta is a city located in Keokuk County, Iowa. ... Delta is a village located in Madison Parish, Louisiana. ... Delta is a city in Cape Girardeau County, Missouri, United States. ... Delta is a village located in Fulton County, Ohio. ... Delta is a borough located in York County, Pennsylvania. ... Delta is a city in Millard County, Utah, United States. ... Delta is a town located in Bayfield County, Wisconsin. ... Delta Charter Township is a charter township in Eaton County in the U.S. state of Michigan. ... Delta County is a county located in the U.S. state of Colorado. ... Delta County is a county located in the state of Michigan. ... Delta County is a county located in the state of Texas. ... Mississippi Delta may refer to: Mississippi Delta, a distinct cultural area in northwest Mississippi state. ...

Science and technology

Astronomy and physics

• Delta baryon, a subatomic particle with spin 3/2
• In Bayer designation, one of the stars in a constellation (e.g., Delta Cygni)

The Delta baryon is a relatively light 1,232 MeV/c² baryon which contains only up (u) and down (d) quarks in a combination whose total spin is 3/2 and its ground state parity is +. All varieties of Δ quickly decay via the strong force into an ordinary nucleon plus... The tone or style of this article or section may not be appropriate for Wikipedia. ...

Aeronautics

• Delta wing
• Delta rocket, a family of launch vehicles
• Delta Formation (Aircraft), a formation flying manoeuvre in the shape of a V

The delta-wing is a wing planform in the form of a triangle. ... The Delta family of rockets is used in an expendable launch system that has provided space launch capability for the United States since 1960. ...

Earth sciences

• Delta switching, the process by which some rivers change their course near their deltas
• River delta, a landform at the mouth of a river
• Tropical Storm Delta (2005)

Delta switching, also known as avulsion, is the process by which some rivers--such as the Mississippi River--change their course near their deltas. ... Nile River delta, as seen from Earth orbit. ... Lowest pressure 980 mbar (hPa; 28. ...

Mathematics and computer science

• Δ often denotes a difference; δ can represent a small change or amount
• In elementary set theory and Boolean algebras, Δ usually denotes the symmetric difference
• An inverted delta (), known as del or nabla, is used as a vector differential operator
• Kronecker delta, a function of two variables which is 1 when they are equal
• Dirac delta function, a distribution used as an approximation for a spike function
• Delta encoding, a technique in computer communications and version-control
• In formal fuzzy logic, Δ denotes a unary connective representing the full truth of a proposition (often called Baaz Delta connective)
• Δ indicates a change of state between two before and after state schemas in the Z notation

In mathematics, a difference operator maps a function f(x) to another function f(x + a) − f(x + b). ... In mathematics, the symmetric difference of two sets is the set of elements which are in one of either set, but not in both. ... In vector calculus, del is a vector differential operator represented by the nabla symbol: ∇. Del is a mathematical tool serving primarily as a convention for mathematical notation; it makes many equations easier to comprehend, write, and remember. ... Nabla is a symbol, shown as . ... A vector operator is a type of differential operator used in vector calculus. ... In mathematics, the Kronecker delta or Kroneckers delta, named after Leopold Kronecker (1823-1891), is a function of two variables, usually integers, which is 1 if they are equal, and 0 otherwise. ... The Dirac delta or Diracs delta, often referred to as the unit impulse function and introduced by the British theoretical physicist Paul Dirac, can usually be informally thought of as a function δ(x) that has the value of infinity for x = 0 and the value zero elsewhere. ... Delta encoding is a way of storing or transmitting data in form of differences between sequential data rather than complete files. ... For the Super Furry Animals album, see Fuzzy Logic (album). ... The Z notation (universally pronounced zed, named after Zermelo-Fränkel set theory) is a formal specification language used for describing and modelling computing systems. ...

Mathematical finance

• One of the Greeks used in option and derivatives pricing representing the rate of change of the option price with respect to changes in the underlying price

Medicine

• Single use of Delta (Δ) is an abbreviation for the Diagnosis of a patient
• Double use of Delta (ΔΔ) is an abbreviation for the Differential diagnosis of a patient

In general, diagnosis (plural diagnoses) has two distinct dictionary definitions. ... This article does not cite any references or sources. ...

Military

• Delta Force, a U.S. Army special force
• Beredskapstroppen, a Norwegian special police forces team
• Delta class submarine, a Soviet / Russian SSBN submarine series (NATO reporting name)

The 1st Special Forces Operational Detachment-Delta (1st SFOD-D) — commonly known as Delta in the U.S. Army, Delta Force by civilians, and Combat Applications Group by the Department of Defense — is a Special Operations Force (SOF) and an integral element of the Joint Special Operations Command (JSOC). ... Beredskapstroppen, nicknamed Delta, is a specialized police unit situated in Oslo, Norway. ... It has been suggested that Delta I class submarine, Delta II class submarine and Delta III class submarine be merged into this article or section. ...

Companies and products

• Delta Air Lines, a major U.S. airline
• Delta (computer), a Russian ZX Spectrum clone
• Delta Dental, an American dental plan system
• Delta Faucet Company, a plumbing fixtures company
• Delta Holding, an import-export, banking, insurance and retail corporation in Serbia
• 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 robot, a specialized type of robot
• GM Delta platform, a compact car automobile platform from General Motors
• Ilford Delta, a photographic film
• Lancia Delta, a rally car made by the Italian company Lancia
• Enfield Cables Ltd, a cable manufacturer

Delta Air Lines, Inc. ... Delta is a Russian clone of ZX Spectrum+ manufactured in 1991 on a former-military plant near the city of Zelenograd. ... Delta Dental is the largest and oldest dental plan system in the United States. ... Delta Faucet Company is an American manufacturer of faucets. ... Delta Holding is the fourth largest company in Serbia. ... Delta Hotels TSX: LGY is a chain of 40 hotels and resorts across Canada. ... Delta Machinery manufactures several lines of power tools. ... Delta Motor Corporation was a South African car manufacturer, which was created through a management buy-out after General Motors (GM) divested from South Africa in 1986. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Delta is General Motors new compact front-wheel drive automobile and crossover SUV platform, a successor to the GM T platform; it also replaced GM J platform and the Z platform used by the Saturn S-Series. ... Delta is a tabular-grain black-and-white film from Ilford Photo. ... The Lancia Delta is a small family car produced by Italian automaker Lancia from 1979 to 1994. ... Enfield Cables Ltd was a British manufacturer of electric cables. ...

Entertainment and fiction

• Delta (album), a 2007 studio album by Delta Goodrem
• Delta (computer game), a 1987 horizontally-scrolling shooter computer game
• Delta (TV series), a 1992 TV series starring Delta Burke
• Delta Halo, Halo Installation #5 in the Halo Universe
• Delta FM, a UK radio station
• Delta Quadrant, a quadrant of the Milky Way Galaxy depicted in Star Trek
• Delta Squad, the player's team in Star Wars: Republic Commando
• Delta, a codename used by Jason Bourne in the fiction series The Bourne Identity
• E-103 Delta, a robot in E-Series (Sonic the Hedgehog)
• R·Type Delta, the fourth R-Type game in the series
• EX Delta Species, a Pokémon Trading Card Game expansion
• Delta Flyer, a shuttle craft in the Star Trek TV series Voyager
• Kamen Rider Delta, a Kamen Rider that appeared in the Japanese TV series Kamen Rider 555
• Space Patrol Delta, a fictional organization from the Power Rangers universe
• The Delta Megazord (shaped like a capital Δ) is a zord in Power Rangers in Space

Japanese Edition Japanese Edition cover Singles from Delta Released: September 15, 2007 Released: December 10, 2007. ... Delta was a horizontally-scrolling shooter computer game published by Thalamus Ltd in 1987. ... Delta was a U.S television sitcom series produced by ABC starring Delta Burke. ... In the video game Halo 2, Installation 05, also known as Delta Halo (see footnotes), is one of the Halo Fortress World Installations built by the Forerunners to contain the Flood. ... Delta FM is a United Kingdom local radio station. ... In the fictional Star Trek series, the Milky Way Galaxy is divided into four quadrants, which are further subdivided into sectors. ... Delta Squad in action. ... Jason Charles Bourne is a fictional character of Robert Ludlum novels and subsequent film adaptations. ... This article is about a group of robots in the Sonic the Hedgehog series. ... Latios Delta. ... The Delta Flyer is a shuttlecraft in the science fiction television series Star Trek: Voyager. ... Kamen Rider Delta ) is a fictional suit of high-tech power armor seen in the 2003-2004 Japanese television series Kamen Rider 555. ... Space Patrol Delta, often abbreviated to S.P.D., is a fictional organization from the Power Rangers universe, appearing in the television series Power Rangers: S.P.D.. It is an organization that oversees law enforcement over an unknown area of space, and deploys Ranger technology to maintain order and... Power Rangers in Space (often abbreviated as PRiS or referred to as simply In Space) was a television show, in the Power Rangers franchise. ...

Miscellanea

• Delta waves, a low level EEG reading associated with sleep
• Delta Works, a flood-protection works in the Netherlands
• A form of tricycle having two wheels in back and one wheel in front
• The refractory section in the roof of an electric arc furnace (EAF) through which one or more electrodes enter
• Delta, a quadra group used in socionics

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