Alpha (disambiguation)
Appearance
Alpha (Α or α) is the first letter of the Greek alphabet.
Alpha or ALPHA may also refer to:
Letters
- Latin alpha (ɑ), a letter of the Latin alphabet
- ɑ, a glyph in the International Phonetic Alphabet
- ɑ, a vowel in the General Alphabet of Cameroon Languages
- Alfa, the first letter in the NATO phonetic alphabet
Art and entertainment
Books and comics
- Alpha (Lombard), a Franco-Belgian comics series
- The Alphas, a young-adult novel series by Lisi Harrison
- Alpha 1 through Alpha 9, anthologies edited by Robert Silverberg
Film and TV
- Alpha (2018 film), an American film starring Kodi Smit-McPhee
- Alpha (2019 film), a Bangladeshi film
- Alphas, an American science fiction TV series 2011–2012
- "Alpha" (The X-Files), a sixth-season episode of The X-Files
- Alpha and Omega (radio plays)
- Alpha, a Greek television channel
- Alpha, an upcoming installment in the YRF Spy Universe, starring Alia Bhatt and Sharvari
Fictional characters and places
- Alpha (DC Comics), a character from DC Comics
- Alpha (Marvel Comics), a character from Marvel Comics
- Alpha (The Walking Dead), an antagonist from the Walking Dead comic and TV series
- Alpha 4 (Power Rangers), Alpha 5 (Power Rangers), Alpha 6 (Power Rangers), or Alpha 7 (Power Rangers), characters in the Power Rangers universe
- Alpha the Ultimate Mutant, a character in Marvel Comics
- Moonbase Alpha (Space: 1999), the primary setting for the television series Space: 1999
- Alpha, a wolf character in the animated film Storks
- Alpha, the lead dog from the 2009 animated film Up
- Alpha Trion, an autobot character in The Transformers
- Alpha, a fictional computer in Mike Walker's radio play Alpha
- Alpha Lexa, a character from Ryan's World
- Alpha, the main antagonist of Xenoblade Chronicles 3: Future Redeemed
Gaming
- Alpha (Magic: The Gathering), a card set
- Alpha (video game), released in 1986
Music
- Alpha, a French early music label record label, now part of Outhere
- Alpha chord, in the octatonic scale
- Alpha (band), a British electronic music group
- Alpha (Kazakh band), a Kazakh Q-pop music group
Albums
- Alpha (Aitana album) (2023)
- Alpha (Alice Nine album) (2007)
- Alpha (Asia album) (1983)
- Alpha (Charlotte Day Wilson album) (2021)
- Alpha (CL album) (2021)
- Alpha (Jelena Karleuša album) (2023)
- Alpha (Selena album) (1986)
- Alpha (Sevendust album) (2007)
- Alpha (Shenseea album) (2022)
- Alpha (War of Ages album) (2017)
Songs
- "Alpha" (song), a 2014 song by Kollegah
- "Alpha", a track on the 1976 album Albedo 0.39 by Vangelis
- "Alpha", a song by C418 from the 2013 soundtrack Minecraft – Volume Beta
Business
- Alpha Bank, a Greek bank, or their stock symbol ALPHA
- Alpha Books, an imprint of Penguin Group
- Alpha Industries, an American clothing company
- Alpha Media, an American radio broadcasting company
- Alpha TV, a Greek terrestrial channel
- Alpha Video, an American entertainment company
- Alpha, a streaming service operated by Legendary Entertainment from 2016 to 2019
- Alpha (Australian magazine), an Australian men's sport magazine
- Alpha, an investor magazine, later incorporated into Absolute Return + Alpha
People
- Alpha (given name), a list of people with the name
- Jenny Alpha (1910–2010), Martinique-born French actress and singer
Places
United States of America
- Alpha, California, former settlement
- Alpha, Illinois, a village
- Alpha, Iowa, an unincorporated community
- Alpha, Kentucky, an unincorporated community
- Alpha, Maryland, an unincorporated community
- Alpha, Michigan, a village
- Alpha, Minnesota, a city
- Alpha, Missouri, an unincorporated community
- Alpha, New Jersey, a borough
- Alpha, Ohio, a neighborhood of the city of Beavercreek
- Alpha, Oregon, an unincorporated community
- Alpha (Morristown, Tennessee), a neighborhood
- Alpha, Texas, an unincorporated freedman's town
- Alpha, Virginia, an unincorporated community
- Alpha, Washington, an unincorporated community
- Alpha, Wisconsin, an unincorporated community
- Alpha Ridge, Alaska, a mountain ridge
Elsewhere
- Alpha, Queensland, a town in Australia
- Alpha Ridge, an undersea ridge in the Arctic Ocean
Science, technology and mathematics
Computing
- Alpha (programming language), an early database language
- Alpha compositing, an image processing technique
- Alpha phase of a software release life cycle
- 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 computational knowledge engine
Mathematics and statistics
- Alpha (finance), a measurement of active return on an investment
- Cronbach's alpha, a statistical measure of reliability
- Angular eccentricity (conventional symbol "α")
- Navigational azimuth (symbol "α")
- One of the Feigenbaum constants describing a bifurcation diagram, in mathematics (symbol "α")
- α, a symbol representing the probability of a type I error in statistics
- The inverse Ackermann function
- α, sometimes used as a placeholder for ordinal numbers
Science
- Alpha (ethology) (also "alpha male" and "alpha female"), the highest ranking individuals in a community of social animals
- ALPHA, a particle physics experiment at CERN
- ALPHA Collaboration, (Antihydrogen Laser PHysics Apparatus), a team of scientists
- Alpha particle, form of particle radiation
- Alpha waves, recorded by electroencephalography
- Angle of attack in aerodynamics (symbol "α")
- Angular acceleration in physics (symbol "α")
- Coefficient of thermal expansion in thermodynamics (symbol "α")
- Fine-structure constant in physics (symbol "α")
- Thermal diffusivity in thermodynamics (symbol "α")
- Common-base current gain of a transistor in electronics (symbol "α")
- α, the isotope fractionation factor between two substances in geochemistry
- Alpha, the brightest star in a constellation according to the Bayer designation
- α receptors, a type of Adrenergic receptor
- SARS-CoV-2 Alpha variant, one of the variants of SARS-CoV-2, the virus that causes COVID-19
- A class of Immunoglobulin heavy chains that defines IgA type antibodies
- Alpha helixes, which are a type of secondary protein structures
Technology
- Alpha (navigation), a Russian radio navigation system
- Minolta Alpha, the Japanese name for a series of SLR cameras known as Maxxum or Dynax elsewhere
- Sony α or Sony Alpha, a digital SLR series by Sony, direct successor to the Minolta Alpha series
- Samsung Galaxy Alpha, 2014 Android smartphone by Samsung
Transportation
- GM Alpha platform, the underpinning of various GM vehicles
- Alpha (sternwheeler), a 19th-century river vessel
- Advance Alpha, a Swiss paraglider design
- Alpha 2000, a light aircraft built in New Zealand
- Firefly Alpha, an orbital rocket
- Kohler Alpha, an American glider
- Pipistrel Alpha Trainer, a Slovenian light-sport aircraft
Tropical and subtropical cyclones
- Subtropical Storm Alpha (1972), first storm of the 1972 Atlantic hurricane season
- Tropical Storm Alpha (2005), twenty-third storm of the 2005 Atlantic hurricane season
- Subtropical Storm Alpha (2020), twenty-second storm of the 2020 Atlantic hurricane season
Other uses
- ALPHA (psychedelic), a psychedelic drug
- Generation Alpha, the demographic cohort succeeding Generation Z
- Alpha course, an introductory course in Christianity
- Alpha Group, a Russian counterterrorism unit
- Alpha Secondary School, a high school in Burnaby, British Columbia, Canada
- Alpha Boys School, a school in Kingston, Jamaica
- Alpha, or Service "A", one of the uniforms of the United States Marine Corps