Beta (disambiguation)

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

Look up Beta, beta, béta, or bêta in Wiktionary, the free dictionary.

Beta or BETA may also refer to:

Arts, entertainment, and media

Films
  • Beta (film), a 1992 Bollywood film directed by Indra Kumar
  • Beta Test (film), a 2016 American science fiction film directed by Nicholas Gyeney
  • The Beta Test, a 2021 American dark comedy film directed by Jim Cummings

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

Computing

Mathematics, finance, and statistics

Organisations

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

Science

Biology and medicine
  • 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
  • SARS-CoV-2 Beta variant, one of the variants of SARS-CoV-2, the virus that causes COVID-19

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 in special relativity.
  • 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

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

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
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