Beta (disambiguation)

Beta (B, β) is the second letter of the Greek alphabet. Beta or BETA may also refer to:

Contents 1 Science 1.1 Biology 1.2 Physics 1.3 Psychology 1.4 Electronics 2 Mathematics, Finance, and Statistics 3 Geography 4 Media 5 Computing and technology 6 Automotive 7 Finance 8 Miscellaneous 9 See also

Science

Biology

• Beta (plant), a genus of flowering plants, mostly referred to as beets
• Beta, a rank in a community of social animals
• Beta-endorphin, a kind of neurotransmitter
• Beta carbon, in organic chemistry—the second carbon atom in a chain when counting from a functional group
• Beta cell, a type of cell in the pancreas, which produces insulin
• Beta sheet, a secondary protein structure

Physics

• Beta (plasma physics), the ratio of thermal to magnetic pressure in plasma
• Beta (velocity), the speed of an object relative to the speed of light
• Beta function (physics), also β(g)—a function in quantum field theory
• Beta particle, a name used to refer to high-energy electrons (β⁻) or positrons (β⁺) emitted by certain types of radioactive nuclei
• β, a symbol for compressibility, a measure of the relative volume change of a fluid or solid as a response to a pressure change
• Thermodynamic beta, in thermodynamics and statistical mechanics—a numerical quantity related to the thermodynamic temperature of a system
• β, a symbol for Phase Constant, in electromagnetics and electrical engineering, used in the theory of plane waves

Psychology

• Beta movement, a perceptual illusion whereby two or more still images are combined by the brain into surmised motion
• Type-beta, a personality type now commonly referred to as type-B (see Type A and Type B personality theory)

Electronics

• Beta, the common-emitter current gain of a bipolar junction transistor

Mathematics, Finance, and Statistics

• β, Beta (finance) a number describing the relation of its returns with that of the financial market as a whole.
• β, a symbol representing the probability of a type II error in statistics
• β-reduction, a reduction rule for lambda calculus
• Beta distribution, in statistics—a family of continuous probability distributions
• Euler's Beta function, a special function also known as the Euler integral of the first kind
• Dirichlet beta function
• Beta coefficient, also known as standardized coefficient, in statistics—the estimate of an analysis performed on variables that have been standardized so that they have variances of 1
• Beta (Βῆτα), a nickname given to Greek mathematician Eratosthenes by his contemporaries.

Geography

• Beta River (Mureş)
• Beta River (Olt)
• Beţa, a village in Lopadea Nouă Commune, Alba County, Romania
• Beta (Béta in Hungarian), a village in Mugeni Commune, Harghita County, Romania

Media

• Beta Quadrant, one of four quadrants in the galaxy in Star Trek
• Beta Hirogen, the second in command of a Hirogen hunting party, as seen in Star Trek: Voyager
• BETA, an organization in the 1986 TV series The Adventures of the Galaxy Rangers
• Beta (film), a 1992 Bollywood film directed by Indra Kumar
• BETA (Muv-Luv), an acronym for "Beings of the Extra Terrestrial origin which is Adversary of human race", an alien race from the video game series Muv-Luv
• Beta Recordings, a record label
• Broadcasting and Entertainment Trades Alliance, sometimes known by the acronym "BETA"

Computing and technology

• Beta release, a phase in software development before the official release
• Beta, a term used for editor in the Fan fiction community
• B3ta, a British humour webcommunity
• Perpetual beta, a term used to describe software or a system which never leaves the development stage of beta
• BETA, a programming language
• Betamax, home videocassette tape recording format developed by Sony
• Betacam, a family of half-inch professional videotape products developed by Sony
• South Texas Business Education & Technology Academy, sometimes known by the acronym "BETA"

Automotive

• Beta (motorcycle manufacturer), an Italian off-road motorcycles manufacturer
• Lancia Beta, a car produced by Lancia

Finance

• Beta (finance) a coefficient in the capital asset pricing model (CAPM) that describes how sensitive the expected return of a stock (or portfolio) is to the market.

Miscellaneous

• Beta (Magic: The Gathering), the second (revised) part of the first set of the card game Magic: The Gathering
• β (along with other Greek letters), a classification of strength in the Earthbound, or Mother, series of Nintendo role-playing games
• Beta (time signal), a time signal service broadcast in the very low frequency range in Russia
• Beta (climbing), route guidance for rock climbers
• Beta Ethniki, the second tier division of the Greek football (soccer) league
• Hurricane Beta (2005), a 2005 hurricane
• National Beta Club, a high school honor society
• Beta quadra, one of the four quadras in socionics
• Beta (grape), a variety of North American grape
• Beta Utensili is an Italian factory of tools, based in Sovico and worldwide known [1]
• Beta Israel, a name given to Jewish communities that occupied territories of the Aksumite and Ethiopian (Habesh or Abyssinia) empires

See also

• Betta, a genus of fish, often misspelled “beta”
• ß, a German letter that resembles β
• Alpha

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.