Alpha (disambiguation)

Look up alpha, Alpha, Α, or α in Wiktionary, the free dictionary.

Alpha (Α or α) is the first letter of the Greek alphabet.

Alpha or ALPHA may also refer to:

Letters

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

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

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

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

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

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

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