Core or cores may refer to:

Science and technology

* Core (anatomy), everything except the appendages * Core (manufacturing), used in casting and molding * Core (optical fiber), 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 that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in partic ...

* Hydrophobic core, 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 (IP core), is a unit of design in ASIC/FPGA electronics and IC manufacturing * Atomic core, an atom with no valence electrons

Geology and astrophysics

* Core sample, 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. Since the ice forms from the incremental buildup of annual layers of snow, lower layers are older than upper ones, and an ice core contains ...

* Core, the central part of a galaxy; see

Mass deficit A mass deficit is the amount of mass (in stars) that has been removed from the center of a galaxy, presumably by the action of a binary supermassive black hole. The density of stars increases toward the center in most galaxies. In small galaxies ...

* Core (anticline), the central part of an anticline or syncline * Planetary core, the center of a planet ** Earth's inner core ** Earth's outer core * Stellar core, the region of a star where nuclear fusion takes place **

Solar core The core of the Sun is considered to extend from the center to about 0.2 to 0.25 of solar radius (140,000 - 170,000 kilometres (86,000 - 110,000 miles)). It is the hottest part of the Sun and of the Solar System. It has a density of 150 g ...

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 (comp ...

, the recorded state of a running program *

Intel Core Intel Core is a line of streamlined midrange consumer, workstation and enthusiast computer central processing units (CPUs) marketed by Intel Corporation. These processors displaced the existing mid- to high-end Pentium processors at the time ...

, 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 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, generators, ...

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

Magnetic-core memory Magnetic-core memory was the predominant form of random-access computer memory for 20 years between about 1955 and 1975. Such memory 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 electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, an ...

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

Multi-core processor A multi-core processor is a microprocessor on a single integrated circuit with two or more separate processing units, called cores, each of which reads and executes program instructions. The instructions are ordinary CPU instructions (suc ...

, 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 that cannot be improved upon by a subset (a ''coalition'') of the economy's agents. A coalition is said to ''improve upon'' or ''block'' a feasible allocation if the member ...

, 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 ...

, 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 n ...

, 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 cate ...

* 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 ...

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

Algebraic interior In functional analysis, a branch of mathematics, the algebraic interior or radial kernel of a subset of a vector space is a refinement of the concept of the interior. Definition Assume that A is a subset of a vector space X. The ''algebraic in ...

Arts, entertainment and media

* ''Core'' (novel), a 1993 science fiction novel by Paul Preuss *

Core (radio station) Core was a digital radio station broadcasting across the UK on the Digital One and streamed online. It was aimed at 16- to 24-year-olds with a focus on new music. Station history Core was originally owned by GWR Group (which became GCap Media ...

, 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", an area in the Underground in the video game '' Undertale'' * "The Core", an episode of '' The Transformers'' cartoon

Film and television

* ''Cores'' (film), a 2012 film * '' The Core'', a 2003 science fiction film * ''The Core'', the 2006–2007 name for the programming block on Five currently known as '' Shake!''

Music

* Core (band), a stoner rock band * ''Core'' (Stone Temple Pilots album), 1992 * ''Core'' (Persefone album), 2006 * "Core", a song by Susumu Hirasawa from Paranoia Agent Original Soundtrack * "The Core", a song from Eric Clapton's 1977 album '' Slowhand'' * "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, a videogame developer best known for the ''Tomb Raider'' series *

Coordenadoria de Recursos Especiais The Coordenadoria de Recursos Especiais (Portuguese for ''Coordination of Special Assets''), best known by its acronym CORE, is the police tactical unit of the Civil Police of Rio de Janeiro State. It was formed on 4 July 1969 and is comparable ...

, Brazilian state police SWAT team * Digestive Disorders Foundation, working name Core *

Center for Operations Research and Econometrics The Center for Operations Research and Econometrics (CORE) is an interdisciplinary research institute of the University of Louvain (UCLouvain) located in Louvain-la-Neuve, Belgium. Since 2010, it is part of the Louvain Institute of Data Analysis ...

at the ''Université catholique de Louvain'' in Belgium * Central Organisation for Railway Electrification, an organization in India * China Open Resources for Education, an OpenCourseWare organization in China *

Congress of Racial Equality The Congress of Racial Equality (CORE) is an African-American civil rights organization in the United States that played a pivotal role for African Americans in the civil rights movement. Founded in 1942, its stated mission is "to bring about ...

, United States civil rights organization * CORE (research service), a UK-based aggregator of open access content *

C.O.R.E. C.O.R.E. Digital Pictures was a Canadian film and television computer animation special effects studio based in Toronto, and founded at the end of March 1994. Its productions included fully animated television series and feature films. C.O.R ...

, 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 *

Core Sound The Core Sound is a sound (geography) in eastern North Carolina located between the mainland of Carteret County and Core Banks, part of the Outer Banks of North Carolina. It lies between the large Pamlico Sound to the northeast and the smaller ...

, 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

Other uses

* Core (architecture) * Co-ordinated On-line Record of Electors, central database in the United Kingdom * Coree or Cores, a Native American tribe * Korah, a biblical figure * Leadership core, concept in Chinese politics *

Persephone In ancient Greek mythology and religion, Persephone ( ; gr, Περσεφόνη, Persephónē), also called Kore or Cora ( ; gr, Κόρη, Kórē, the maiden), is the daughter of Zeus and Demeter. She became the queen of the underworld afte ...

, a Greek goddess also known as Kore or Cora (Greek κόρη = daughter) * Core countries, in dependency theory, an industrialized country on which peripheral countries depend * Core curriculum, in education, an essential part of the curriculum * Lithic core, in archaeology, a stone artifact left over from toolmaking * CORE (Clinical Outcomes in Routine Use) System, see CORE-OM