Delta

Delta may refer to:

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• Δ or δ, a letter of the Greek alphabet. See delta (letter)
• A triangular area of alluvial deposit at the mouth of a river, roughly in shape of Δ. See river delta, also Mississippi delta, California Delta region
• Any large triangular region of alluvial deposit at the mouth of the river Nile in Egypt, bordering the eastern Mediterranean Sea. See Nile Delta.
• Δ, symbol in math, to express a change or difference in values, e.g. temperature
• In mathematical finance delta, $delta$, is one of "The Greeks"; delta measures the sensitivity of the value of a derivative to changes in the price of its underlying instrument.
• A mathematical function, $delta$, very often used in Electronics and Digital Signal Processing.
• In particle physics, the delta particle is a short lived resonance of the proton. See baryon.
• In astronomy, the fourth brightest (usually) star in a constellation. See Bayer designation.
• In information technology, delta compression is a process that produces a file recording only the changes (or diff) between versions.
• The letter D in the NATO phonetic alphabet, except in airports
• A female in police CB code. (Alpha represents a male)
• A type of connection in three phase electrical wiring.
• The Netherlands' "Delta" project to significantly reduce the risk of flooding in Holland.
• 1st Special Forces Operational Detachment-Delta or 1st SFOD-Delta, or "Delta Force" - a US counterterrorist unit.
• A Canadian hotel chain, Delta Hotels
• A Greek dairy producer and manufacturer, See Delta Holdings S.A.
• A computer, see Delta (computer)
• A car, see Lancia Delta
• A family of rockets, see Delta

People and organizations named Delta include:

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• Delta Air Lines, an airline company
• Penelope Delta, a Greek writer/poet (unconfirmed)
• The Australian actress, singer and songwriter Delta Goodrem
• The American actress Delta Burke
• The German psychedelic trance project The Delta
• The oldest continually active Chapter of Alpha Phi Omega. See Delta Chapter of Alpha Phi Omega
• Temporarily activated squadron of U.S. Air Force personnel stationed at Ramstein Airbase in Germany consisting of mainly National Guard and Reserve people
• Delta Sigma Theta Sorority, Incorporated
• Visa Delta

Delta in literature:

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• Deltas are the second lowest caste in Aldous Huxley's dystopic satire Brave New World.

Cities, villages and counties called Delta:

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• Canada
• Delta, British Columbia
• Nigeria
• Delta State
• United States
• Delta, Colorado
• Delta, Iowa
• Delta, Louisiana
• Delta, Missouri
• Delta, Ohio
• Delta, Pennsylvania
• Delta, Utah
• Delta, Wisconsin
• Big Delta, Alaska
• Delta County, Colorado
• Delta Charter Township, Michigan
• Delta County, Michigan
• Delta County, Texas
• Venezuela
• Delta Amacuro State
 
Delta: See also ►