Gamma (Γ or γ) is the third letter of the Greek alphabet.
Gamma may also refer to:
Science and technology
- Tropical Storm Gamma (2005), that made landfall in Honduras
- Hurricane Gamma, that made landfall on the Yucatán Peninsula in 2020
- Gamma correction, a property of images and video displays
- Γ, the representation of molecular symmetry in inorganic chemistry
Computing
- Gamma software, a stage in the software release life cycle
- Elias gamma coding, in computer science, encoding, compression
Mathematics
- Euler's constant (γ), a mathematical constant
- Gamma test (statistics) (γ) or Goodman and Kruskal's gamma, a statistical test
- Gamma distribution (Γ), a probability distribution function
- Gamma function (Γ), a mathematical function
- P-adic gamma function (Γ), a mathematical function
- Feferman–Schütte ordinal Γ0
- Typing environment (Γ), within a type system
Physics
- Gamma ray or gamma radiation (γ or ), an electromagnetic ray
- Photon (γ), an elementary particle, the quantum of the electromagnetic field
- Propagation constant (γ), of an electromagnetic wave
- Heat capacity ratio or adiabatic index (γ), the ratio of the heat capacity at constant pressure to that at constant volume
- Lorentz factor (γ), in relativity and astronomy
- Gamma (eclipse) (γ), how central (how close to the middle of the body) an eclipse is
- Shear strain (γ)
- Surface tension (γ)
- Body effect (γ), on threshold voltage in field-effect transistor technology
- Christoffel symbols (Γ), in general relativity
- Circulation (physics) (Γ)
- Reflection coefficient (Γ), of a wave reflected by an impedance discontinuity
- Decay width (Γ), of a particle in high-energy physics
- GAMMA, an extensive air shower array in Armenia
- γ, a non-SI unit of magnetic flux density, 1nT
- γ, the third-brightest star of a constellation, in Bayer designation
- Γ, center of the Brillouin zone
), an electromagnetic rayBiology and medicine
- Gamma wave, a type of brain wave
- Gamma-glutamyltransferase, a transferase present in the cell membranes of many tissues
- SARS-CoV-2 Gamma variant, one of the variants of SARS-CoV-2, the virus that causes COVID-19
- gamma-Hydroxybutyric acid, a neurotransmitter and a depressant drug
- gamma-hexachlorocyclohexane or Lindane, an organochlorine chemical and neurotoxin
Places
- Gamma, Missouri, a community in the US
- Gamma Island (Greenland)
- Gamma Peak, a mountain in the US
Transportation
- General Motors Gamma platform, a subcompact automobile platform by General Motors
- Bristol Siddeley Gamma, a family of British rocket engines
- Hyundai Gamma engine, a family of 1.6 L gasoline inline-4 engines
- Suzuki RG250 Gamma, a two-stroke motorcycle
Companies and organizations
- Gamma (store), a Dutch hardware-store chain
- Gamma Group, developers of FinFisher and associated suites of malware
- Gamma (agency), a French photo agency
- Groupe des Architectes Modernes Marocains, an architecture collective in Morocco
- Gamma (media company), founded in 2023
Arts and entertainment
- Gamma (band), American rock band
- Gamma (miniseries), a 1975 Italian television miniseries
- Gamma (wrestler), a Japanese professional wrestler working for the Dragon Gate promotion
- Gamma chord, a type of musical chord
- Gamma (album), a 2024 album by Gesaffelstein
Fictional entities
- E-102 Gamma, one of the E-Series robots in the Sonic the Hedgehog franchise
- Gamma Akutabi, a fictional character from the manga Zombiepowder.
- Γ, the emblem of the character Waluigi in the Mario franchise
- Gamma Metroids, an evolution of the Metroid species from the game Metroid II: Return of Samus
- Gamma radiation, responsible for creation of, and the power source to, The Incredible Hulk and derivative characters
Linguistics
- Latin gamma (ɣ), an IPA symbol for voiced velar fricative and in the alphabets of African languages
- Voiced velar fricative (γ), in phonetics
Other uses
- Gamma (finance) (Γ), a second order derivative of an option pricing formula
- Gamma, a classification of sensitive compartmented information
See also
- Gamma matrices, in mathematical physics
- The Gamma People, a 1956 British-American film
- Gama (disambiguation)
- Gamma ray (disambiguation)
- Grama (disambiguation)
- Gam (disambiguation)
- Gram (disambiguation)
This disambiguation page lists articles associated with the title Gamma.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: