'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:

Contents

Abbreviations

People

Places

Argentina

Canada

Nigeria

United States

Science and technology

Astronomy

Aeronautics

Earth sciences

Mathematics and computer science

Mathematical finance

Military

Companies and products

Entertainment and fiction

Miscellanea

Abbreviations

★ DELTA (ELT), an advanced diploma in English language teaching

★ DELTA (taxonomy), the ''DE''scription ''L''anguage for ''TA''xonomy

People

★ Delta Goodrem, Australian singer and actress

★ Delta Burke, American actress

★ Penelope Delta, Greek writer

Places

Argentina

★ Paraná Delta

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, Iowa

★ Delta, Kentucky

★ Delta, Louisiana

★ Delta, Missouri

★ Delta, Ohio

★ Delta, Pennsylvania

★ Delta, Utah

★ Delta, Wisconsin

★ Delta Charter Township, Michigan

★ Delta County, Texas (so named because of its triangular shape, resembling the Greek letter)

Science and technology

Astronomy

★ In Bayer designation, one of the stars in a constellation (e.g., Delta Cygni)

Aeronautics

★ A delta wing

★ The Delta family of launch vehicles

★ The delta formation, a formation flying manoeuvre in the shape of a V

Earth sciences

★ River delta, a landform at the mouth of a river

★ Delta Switching, the process by which some rivers change their course near their deltas

★ Tropical Storm Delta (2005)

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 ($$
abla), known as del or nabla, is used as a vector differential operator

★ The Kronecker delta, a function of two variables which is 1 when they are equal

★ The 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)

★ Delta ADS is a COBOL code generator, the latest version of which is ADSPLUS

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

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 Computer Systems, an American Motion Control company

★ Delta Dental, an American dental plan system

★ Delta Environmental Consultants, an environmental remediation company based in St. Paul, Minnesota

★ 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

★ Delta rocket, a family of rockets built by Boeing IDS

★ 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

★ Visa Debit (formerly Visa Delta), a debit card

Entertainment and fiction

★ 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, a codename used by Jason Bourne in Robert Ludlum's ''The Bourne Identity''

★ E-103 Delta, a robot in the ''Sonic the Hedgehog'' series

★ ''R-Type Delta'', the fourth R-Type game in the series

★ EX Delta Species, a Pokémon Trading Card Game expansion

★ Deltan species, a race in ''Star Trek''

★ Delta Flyer, a shuttle craft in the Star Trek TV series Voyager

★ The Deltaz, a band

★ Kamen Rider Delta, a Kamen Rider that appeared in the Japanese TV series ''Kamen Rider 555''

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

★ A name for the refractory section in the roof of an electric arc furnace (EAF) through which one or more electrodes enter

★ Delta, the Delft University of Technology weekly campus newspaper

★ In legal shorthand, it refers to a defendant

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