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 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 Hurricane Beta, a 2005 hurricane Tropical Storm Beta (2020), a 2020 tropical storm Sports Beta