Alpha

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Look up alfa or alpha in Wiktionary, the free dictionary.

Alpha may refer to:

Contents 1 Letter 2 may be used as the symbol for: 2.1 Physics 3 Place names 3.1 Australia 3.2 United States 3.3 Arctic Ocean 4 Media, literature and fiction 4.1 Television 4.2 Music 4.3 Books and magazines 4.4 Gaming 4.5 Fictional characters and places 5 Science and mathematics 6 Computing 7 Miscellanea 8 See also

[edit] Letter

Alpha (letter), the first letter of the Greek alphabet

α

[edit] may be used as the symbol for:

• Alpha channel, describing transparency and opacity in computer graphics
• Angle of attack in aerodynamics
• Common-base current gain of a transistor in electronics
• The alpha carbon in organic chemistry
• The significance level in statistical hypothesis testing
• Thermal diffusivity
• Coefficient of thermal expansion in thermodynamics
• A symbol to denote Direct proportion, in mathematics
• In astronomy, the Bayer designation, the brightest star in a constellation
• The first unit in a sequence

[edit] Physics

• Alpha particle, form of particle radiation
• Angular acceleration
• Fine-structure constant, a fundamental physical constant
• H-alpha, or H-α, an emission line created by hydrogen atoms

[edit] Place names

[edit] Australia

• Alpha, Queensland

[edit] United States

• Alpha, California
• Alpha, Illinois
• Alpha, Kentucky
• Alpha, Michigan
• Alpha, Minnesota
• Alpha, New Jersey
• Alpha, Ohio
• Alpha, Tennessee
• Alpha, Wisconsin
• Alpha Ridge, Alaska

[edit] Arctic Ocean

• Alpha Ridge, an undersea ridge

[edit] Media, literature and fiction

[edit] Television

• Alpha TV, a Greek terrestrial channel

[edit] Music

• Alpha (Asia album)
• Alpha (Alice Nine album), by J-rock/Visual Kei band Alice Nine
• Alpha (band), a British electronic music group
• Alpha (Sevendust album), by the band Sevendust
• Alpha (Selena album)
• Alpha, one of the tracks on the album Albedo 0.39, composed by Vangelis
• ALPHA 60, a Swedish alternative rock band
• Alpha, Selena album

[edit] Books and magazines

• Alpha Books, an imprint of Penguin Group (USA)
• Alpha Magazine, Australian men's sport magazine

[edit] Gaming

• Alpha (Magic: The Gathering), the first Magic: The Gathering cards set
• Alpha (video game), a 1986 interactive fiction game by Square

[edit] Fictional characters and places

• Alpha 5/Alpha 6/Alpha 7, nicknames of the characters in the Power Rangers television programs
• Alpha (computer), a fictional computer in Mike Walker's radio play Alpha
• Alpha (DC Comics), a character from DC Comics
• Alpha Legion, a Chaos Space Marines Legion from Warhammer 40,000
• Alpha (planet) in Isaac Asimov's novel Foundation and Earth
• Alpha the Ultimate Mutant, a character featured in Marvel Comics
• Moonbase Alpha, the primary setting for the television series Space: 1999
• Alphas, people of the highest intelligence (and social strata) in Aldous Huxley's Brave New World
• Alpha AI/Leonard L. Church, a main character of the Red vs Blue Series
• Alpha, a doll who went bad in the Dollhouse (TV series)

[edit] Science and mathematics

• α, the probability of Type I error in statistics, rejecting a null hypothesis when it is in fact true
• ALPHA, the ALPHA Collaboration, an experiment at CERN
• Alpha (biology, social), "alpha male" and "alpha female", the highest ranking individuals in a community of social animals
• Alpha (biology, taxonomy), the science of naming organisms, including the commonly used Linnaean taxonomy
• Alpha (investment), a measurement of risk-adjusted performance
• Alpha waves, recorded by electroencephalography
• Another term for the angle of attack on an aircraft's wing.
• Cronbach's alpha, a statistical measure of reliability

[edit] Computing

• Alpha, a development stage of software
• Alpha (machine learning), the degree to which a learning agent takes into account new information
• ALPHA refers to the set of ASCII characters A-Z and a-z, as defined in RFC 4234
• Alpha compositing, an image processing technique
• AlphaServer, DEC now HP machine successor to the VAX
• AlphaStation, DEC now HP workstation successor to the VAX
• DEC Alpha, an instruction set architecture developed by Digital Equipment Corporation (DEC)
• Wolfram Alpha, a search engine by Wolfram Research

[edit] Miscellanea

• Alpha 2000, a light aircraft built in New Zealand
• The first letter in the NATO phonetic alphabet
• Service "A", one of the uniforms of the United States Marine Corps
• Alpha class submarine, a Russian fast attack nuclear submarine
• Alpha coefficient in finance, the risk-adjusted return of an investment
• Alpha course, an introductory course in Christianity
• Alpha Group, a dedicated counter-terrorism unit that belonged to OSNAZ
• Alpha Industries, clothing company
• Alpha (radio navigation), a Russian radio navigation system similar to the former Omega Navigation System
• Alpha Video
• GM Alpha platform
• Latin alpha (ɑ), also a symbol for open back unrounded vowel
• A psychedelic drug: alpha-ethyl-3,4-methylenedioxybenzylamine
• Sony α or Sony Alpha, a digital SLR series by Sony
• Minolta α or Minolta Alpha, the Japanese name for a series of SLR cameras known as Maxxum or Dynax elsewhere, and predecessor to Sony's brand of the same name
• Space Station Alpha, the original name and unofficial call sign for the International Space Station
• Tropical Storm Alpha (2005)

[edit] See also

• A
• Alfa
• Beta

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