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

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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