Delta 4341825 224628303 2008-07-09T18:50:33Z Mwtoews 711150 rv: TOC gets in the way, and fits nicely on right {{wiktionarypar|delta}} {{TOCRight}} '''Delta''' most commonly refers to: * [[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: ==Abbreviations== * [[DELTA (ELT)]], an advanced diploma in English language teaching * [[DELTA (taxonomy)]], the ''DE''scription ''L''anguage for ''TA''xonomy ==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 ===Nigeria=== * [[Delta State, Nigeria]] ===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)]] ==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) * [[Delta-v]], a term used in astrodynamics for the total 'effort' to change from one space trajectory to another ===Aeronautics=== * [[Delta wing]] * [[Delta rocket]], a family of launch vehicles * [[Delta Formation (Aircraft)]], a formation flying manoeuvre in the shape of a V ===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)]] ===Mathematics and computer science=== * Δ often denotes a [[difference operator|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 (<math>\nabla</math>), known as [[del]] or [[Nabla symbol|nabla]], is used as a [[vector operator|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 [[fuzzy logic#formal fuzzy logic|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]] ===Mathematical finance=== * One of the [[Greeks (finance)|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 and biology=== * [[Delta (ligand)]], an activator of the [[Notch signaling]] pathway * 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 ===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) ==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 ==Entertainment and fiction== * [[Delta (album)]], a 2007 studio album by Delta Goodrem * [[Delta-S]], an industrial band from Camarillo, California * [[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]] ==Miscellanea== * [[Delta wave]]s, 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#Quadras|socionics]] {{disambig}} [[bs:Delta (čvor)]] [[bg:Делта (пояснение)]] [[cs:Delta]] [[cy:Delta]] [[da:Delta]] [[de:Delta (Begriffsklärung)]] [[es:Delta]] [[eo:Delto]] [[ext:Delta (desambiguáncia)]] [[eu:Delta]] [[fr:Delta (homonymie)]] [[gl:Delta]] [[ko:델타]] [[hr:Delta (razdvojba)]] [[it:Delta]] [[he:דלתא (פירושונים)]] [[ku:Delta]] [[lv:Delta]] [[lt:Delta (reikšmės)]] [[nl:Delta]] [[ja:デルタ]] [[no:Delta]] [[pl:Delta (ujednoznacznienie)]] [[pt:Delta (desambiguação)]] [[ru:Дельта]] [[sk:Delta]] [[fi:Delta (täsmennyssivu)]] [[sv:Delta (olika betydelser)]] [[uk:Дельта]] [[vo:Delta]]