Beta (disambiguation)

Beta (B, β) is the second letter of the Greek alphabet.

Beta or BETA may also refer to:

Arts, entertainment, and media

Films

• Beta (film), a 1992 Bollywood film directed by Indra Kumar
• Beta, a 2017 film starring Jesse C. Boyd
• Beta Test (film), a 2016 American film co-written, co-produced, and directed by Nicholas Gyeney

Fictional entities

• BETA (Muv-Luv) (Beings of the Extra Terrestrial origin which is Adversary of human race), an alien race from the video game series Muv-Luv
• β, a classification of strength in the Earthbound, or Mother, series of Nintendo role-playing games
• Beta, a wolf character in the animated film Storks
• BETA, an organization in the 1986 TV series The Adventures of the Galaxy Rangers
• Beta (The Walking Dead), an antagonist in the Walking Dead comic series
• Beta Hirogen, the second in command of a Hirogen hunting party, as seen in Star Trek: Voyager
• Beta Quadrant, one of four quadrants in the galaxy in Star Trek

Other uses in arts, entertainment, and media

• Beta (Magic: The Gathering), the second (revised) part of the first set of the card game Magic: The Gathering
• Beta chord
• Beta News Agency, Serbian independent news agency
• Beta Recordings, a record label headed by John B
• Lifetime (TV network), pre-launch branded as BETA

Computing

• BETA (programming language), a programming language
• Beta release, or betaware, a phase in software development before an official release
• Perpetual beta, software or a system that never leaves the beta development stage

Mathematics, finance, and statistics

• Beta (finance), the β coefficient in the capital asset pricing model
• β, the probability of a Type II error in statistics; See Type I and type II errors
• β-reduction, a reduction rule for lambda calculus
• Beta distribution, in statistics, a family of continuous probability distributions
• Beta function, a special function also known as the Euler integral of the first kind
• Beta invariant, of a matroid
• Dirichlet beta function
• Eratosthenes, Greek mathematician nicknamed Beta (Βῆτα)
• Standardized coefficient or beta coefficient, in statistics, the estimate of an analysis performed on variables that have been standardized so that they have variances of 1

Organisations

• Beta (motorcycle manufacturer), an Italian off-road motorcycles manufacturer
• BETA Cargo, a defunct Brazilian airline
• British Equestrian Trade Association, a membership organisation in the United Kingdom
• Broadcasting and Entertainment Trades Alliance, sometimes known by the acronym "BETA"
• National Beta Club, a high school honor society
• South Texas Business Education & Technology Academy (BETA)

Places

• Beta, Ohio, a ghost town in the United States
• Beța, a village in Lopadea Nouă Commune, Alba County, Romania
• Beta, a village in Mugeni Commune, Harghita County, Romania
• Beta Israel, a name given to Jewish communities that occupied territories of the Aksumite and Ethiopian (Habesh or Abyssinia) empires
• Beta (Olt), a tributary of the Olt in Harghita County, Romania
• Beta, a tributary of the Târnava Mare in Harghita County, Romania

Psychology

• Beta movement, a perceptual illusion whereby two or more still images are combined by the brain into surmised motion
• Beta quadra, one of the four quadras in socionics
• Type-beta, a personality type now commonly referred to as type-B; See Type A and Type B personality theory

Science

Biology

• Beta (plant), a genus of flowering plants, mostly referred to as beets
• Beta (grape), a variety of North American grape
• β₁ and β₂, or beta-1 and beta-2, adrenergic receptors
• Beta, a rank in a community of social animals; See Alpha
• Beta carbon, in organic chemistry—the second carbon atom in a chain when counting from a functional group; See Alpha and beta carbon
• Beta cell, a type of cell in the pancreas, which produces insulin
• Beta sheet, a secondary protein structure
• Beta-endorphin, a kind of neurotransmitter

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
• β, a symbol for compressibility, a measure of the relative volume change of a fluid or solid as a response to a pressure change
• 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
• Phase Constant (β), in electromagnetics and electrical engineering, used in the theory of plane waves; See Propagation constant
• Precursor yield fraction, leading to delayed neutrons in nuclear reactors
• Thermodynamic beta, in thermodynamics and statistical mechanics—a numerical quantity related to the thermodynamic temperature of a system

Other uses in science

• Hurricane Beta, a 2005 hurricane

Sports

• Beta (climbing), climbing jargon that designates information about a climb
• Beta Ethniki, the second tier division of the Greek football (soccer) league

Technology

• Beta (time signal), a time signal service broadcast in the very low frequency range in Russia
• Beta, the common-emitter current gain of a bipolar junction transistor
• Betacam, a family of half-inch professional videotape products developed by Sony
• Betamax, home videocassette tape recording format developed by Sony

Other uses

• Advance Bi Beta, a Swiss paraglider design
• Beta male (slang), a pejorative term for a man considered as weak and emasculated
• Lancia Beta, a car produced by Lancia
• Beta reader, a person who critiques a written work prior to public release
• Voiced bilabial fricative (β), the voiced bilabial fricative symbol of the international phonetic alphabet

See also

• ß, a German letter that resembles β
• B3ta, a British humour webcommunity
• Betta, a genus of fish, often misspelled “beta”
• Coral the Betta, a character in the Sonic the Hedgehog comics by Archie