Core or cores may refer to:

Science and technology

Core (anatomy) The core or trunk is the axial skeleton, axial (central) part of an organism's body (biology), body. In common parlance, the term is broadly considered to be synonymous with the torso, but academically it also includes the head and neck. Function ...

, everything except the appendages *

Core (laboratory) A core facility (also known as core laboratory or simply "core", like in "flow cytometry core") is a centralized shared research resource that provides scientific community with access to unique and highly specialized instruments, technologies, ser ...

, a highly specialized shared research resource *

Core (manufacturing) A core is a device used in casting and molding (process), moulding processes to produce internal cavities and wikt:reentrant, reentrant angles (an interior angle that is greater than 180°). The core is normally a disposable item that is destroyed ...

, used in casting and molding *

Core (optical fiber) The core of a conventional optical fiber is the part of the fiber that guides the light. It is a cylinder of glass or plastic that runs along the fiber's length. The core is surrounded by a medium with a lower index of refraction, typically ...

, the signal-carrying portion of an optical fiber * Core, the central part of a

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

Hydrophobic core The hydrophobic effect is the observed tendency of nonpolar substances to aggregate in an aqueous solution and to be excluded by water#Properties, water. The word hydrophobic literally means "water-fearing", and it describes the Segregation in m ...

, the interior zone of a protein * Nuclear reactor core, a portion containing the fuel components * Pit (nuclear weapon) or core, the fissile material in a nuclear weapon *

Semiconductor intellectual property core A semiconductor is a material with electrical conductivity between that of a conductor and an insulator. Its conductivity can be modified by adding impurities (" doping") to its crystal structure. When two regions with different doping level ...

(IP core), is a unit of design in ASIC/FPGA electronics and IC manufacturing *

Atomic core Core electrons are the electrons in an atom that are not valence electrons and do not participate as directly in chemical bonding. The atomic nucleus, nucleus and the core electrons of an atom form the atomic core. Core electrons are tightly bound t ...

, an atom with no valence electrons *

Lithic core In archaeology, a lithic core is a distinctive Artifact (archaeology), artifact that results from the practice of lithic reduction. In this sense, a core is the scarred nucleus resulting from the detachment of one or more lithic flake, flakes fr ...

, in archaeology, a stone artifact left over from toolmaking

Geology and astrophysics

Core sample A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The ...

, in Earth science, a sample obtained by coring **

Ice core An ice core is a core sample that is typically removed from an ice sheet or a high mountain glacier A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier ...

* Core, the central part of a galaxy; see Mass deficit * Core (anticline), the central part of an anticline or syncline *

Planetary core A planetary core consists of the innermost layers of a planet. Cores may be entirely liquid, or a mixture of solid and liquid layers as is the case in the Earth. In the Solar System, core sizes range from about 20% (the Moon) to 85% of a plan ...

, the center of a planet ** Earth's inner core **

Earth's outer core Earth's outer core is a fluid layer about thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. The outer core begins approximately beneath Earth's surface at the core-mantle boundary and ...

* Stellar core, the region of a star where nuclear fusion takes place ** Solar core

Computing

* Core Animation, a data visualization API used in macOS *

Core dump In computing, a core dump, memory dump, crash dump, storage dump, system dump, or ABEND dump consists of the recorded state of the working Computer storage, memory of a computer program at a specific time, generally when the program has crash (com ...

, the recorded state of a running program *

Intel Core Intel Core is a line of multi-core (with the exception of Core Solo and Core 2 Solo) central processing units (CPUs) for midrange, embedded, workstation, high-end and enthusiast computer markets marketed by Intel Corporation. These processors ...

, a family of single-core and multi-core 32-bit and 64-bit CPUs released by Intel *

Magnetic core A magnetic core is a piece of magnetism, magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, ele ...

, in electricity and electronics, ferromagnetic material around which wires are wound **

Magnetic-core memory In computing, magnetic-core memory is a form of random-access memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory, or, informally, core. Core memory uses toroids (rings) of a hard magneti ...

, the primary memory technology used before semiconductor memory *

Central processing unit A central processing unit (CPU), also called a central processor, main processor, or just processor, is the primary Processor (computing), processor in a given computer. Its electronic circuitry executes Instruction (computing), instructions ...

(CPU), called a ''core'' **

Multi-core processor A multi-core processor (MCP) is a microprocessor on a single integrated circuit (IC) with two or more separate central processing units (CPUs), called ''cores'' to emphasize their multiplicity (for example, ''dual-core'' or ''quad-core''). Ea ...

, a microprocessor with multiple CPUs on one integrated circuit chip *

Server Core Server Core is a minimalistic Microsoft Windows Server installation option, debuted in Windows Server 2008. Server Core provides a server environment with functionality scaled back to core server features, and because of limited features, it ha ...

, a minimalist Microsoft Windows Server installation option

Mathematics

Core (game theory) In cooperative game theory, the core is the set of feasible allocations or imputations where no coalition of agents can benefit by breaking away from the grand coalition. An allocation is said to be in the ''core'' of a game if there is no c ...

, the collection of stable allocations that no coalition can improve upon *

Core (graph theory) In the mathematical field of graph theory, a core is a notion that describes behavior of a graph with respect to graph homomorphisms. Definition Graph C is a core if every homomorphism f:C \to C is an isomorphism, that is it is a bijection of ...

, the homomorphically minimal subgraph of a graph *

Core (group theory) In group theory, a branch of mathematics, a core is any of certain special normal subgroups of a group. The two most common types are the normal core of a subgroup and the ''p''-core of a group. The normal core Definition For a group ''G'', the ...

, an object in group theory * Core of a

triangulated category In mathematics, a triangulated category is a category with the additional structure of a "translation functor" and a class of "exact triangles". Prominent examples are the derived category of an abelian category, as well as the stable homotopy ca ...

* Core, an essential domain of a closed operator; see

Unbounded operator In mathematics, more specifically functional analysis and operator theory, the notion of unbounded operator provides an abstract framework for dealing with differential operators, unbounded observables in quantum mechanics, and other cases. The t ...

* Core, a radial kernel of a subset of a vector space; see Algebraic interior

Arts, entertainment and media

* ''Core'' (novel), a 1993 science fiction novel by Paul Preuss * Core (radio station), a defunct digital radio station in the United Kingdom * 90.3 The Core RLC- WVPH, a radio station in Piscataway, New Jersey, US * ''C.O.R.E.'' (video game), a 2009 NDS game * ''Core'' (video game), a video game with integrated game creation system *

Core (DC Comics) Cain Cassandra Cain David Cain Rex Calabrese Rex "The Lion" Calabrese is a fictional character appearing in American comic books published by DC Comics. He debuted in ''Batman: Eternal'' #14 during "The New 52" and was created by James Tyn ...

, a fictional character from DC Comics * "CORE", an area in the Underground in the video game ''

Undertale ''Undertale'' is a 2015 role-playing video game created by American indie developer Toby Fox. The player controls a child who has fallen into the Underground: a large, secluded region under the surface of the Earth, separated by a magical b ...

'' * "The Core", an episode of '' The Transformers'' cartoon

Film and television

* ''Cores'' (film), a 2012 film * ''

The Core ''The Core'' is a 2003 American science fiction disaster film directed by Jon Amiel and starring Aaron Eckhart, Hilary Swank, Delroy Lindo, Stanley Tucci, D. J. Qualls, Richard Jenkins, Tcheky Karyo, Bruce Greenwood, and Alfre Woodard. ...

'', a 2003 science fiction film * ''The Core'', the 2006–2007 name for the programming block on Five currently known as '' Shake!''

Music

* ''Core'' (album), by Stone Temple Pilots, 1992 * Core (band), an American stoner rock band * ''Core'', a 2006 album by Persefone * "Core", a song by Susumu Hirasawa from Paranoia Agent Original Soundtrack * "The Core", a song from Eric Clapton's 1977 album ''

Slowhand ''Slowhand'' is the fifth solo studio album by Eric Clapton. Released on 25 November 1977 by RSO Records, and titled after Clapton's nickname, it is one of his most commercially and critically successful studio albums. ''Slowhand'' produced th ...

'' * "CORE", a track from the soundtrack of the 2015 video game ''Undertale'' by Toby Fox

Organizations

* Core International, a defunct American computer and technology corporation *

Core Design Core Design Limited (known as Rebellion (Derby) Ltd between 2006 and 2010) was a British video game developer based in Derby. Founded in May 1988 by former Gremlin Graphics employees, it originally bore the name Megabrite until rebranding as Co ...

, a videogame developer best known for the ''Tomb Raider'' series * Coordenadoria de Recursos Especiais, Brazilian state police SWAT team * Digestive Disorders Foundation, working name Core * Center for Operations Research and Econometrics at the ''Université catholique de Louvain'' in Belgium *

Central Organisation for Railway Electrification The Central Organisation for Railway Electrification (CORE) is the unit of Indian Railways responsible for railway electrification, electrification of the network. The organisation, founded in 1979, is headquartered in Prayagraj, Uttar Pradesh ...

, an organization in India *

China Open Resources for Education China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

, an OpenCourseWare organization in China * Community Organized Relief Effort, a non-profit organization providing humanitarian relief * Congress of Racial Equality, United States civil rights organization *

CORE (research service) CORE (Connecting Repositories) is a service provided by the based at The Open University, United Kingdom. The goal of the project is to aggregate all open access content distributed across different systems, such as repositories and open acc ...

, a UK-based aggregator of open access content * C.O.R.E., a computer animation studio * CORE System Trust, see CORE-OM

Places

United States

* Core, San Diego, a neighborhood in California * Core, West Virginia *

Core Banks, North Carolina The Core Banks are barrier islands in North Carolina, part of the Cape Lookout National Seashore. Named after the Coree tribe, they extend from Ocracoke Inlet to Cape Lookout, and consist of two low-relief narrow islands, North Core Banks a ...

* Core Sound, North Carolina

Other places

* Corés, a parish in Spain * The Core Shopping Centre (Calgary), Alberta, Canada * The Core, a shopping centre in Leeds, England, on the site of Schofields

People

* Earl Lemley Core (1902–1984), West Virginia botanist * Ericson Core, American director and cinematographer * Leopoldine Core, American poet and short story writer

Other uses

Core (architecture) In architecture, a core is a vertical space used for Circulation (architecture), circulation and services. It may also be referred to as a circulation core or service core. A core may include Staircase, staircases, Elevator, elevators, Electrical ...

* Co-ordinated On-line Record of Electors, central database in the United Kingdom *

Coree The Coree were a very small Native American tribe, who once occupied a coastal area south of the Neuse River in southeastern North Carolina in the area now covered by Carteret and Craven counties. Early 20th-century scholars were unsure of w ...

or Cores, a Native American tribe * Korah, a biblical figure * Leadership core, concept in Chinese politics *

Persephone In ancient Greek mythology and Ancient Greek religion, religion, Persephone ( ; , classical pronunciation: ), also called Kore ( ; ) or Cora, is the daughter of Zeus and Demeter. She became the queen of the Greek underworld, underworld afte ...

, a Greek goddess also known as Kore or Cora (Greek κόρη = daughter) *

Core countries In world-systems theory, core countries or the imperial core are the Industrialization, industrialized Capitalism, capitalist and/or Imperialism, imperialist countries. Core countries control and benefit the most resources from the global marke ...

, in dependency theory, an industrialized country on which peripheral countries depend * Core curriculum, in education, an essential part of the curriculum * CORE (Clinical Outcomes in Routine Use) System, see CORE-OM