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 (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 nuclear reactor core is the portion of a nuclear reactor containing the nuclear fuel components where the nuclear reactions take place and the heat is generated. Typically, the fuel will be low- enriched uranium contained in thousands of ind ...

, a portion containing the fuel components *

Pit (nuclear weapon) The pit, named after the hard core found in fruits such as peaches and apricots, is the core of an implosion nuclear weapon – the fissile material and any neutron reflector or tamper bonded to it. Some weapons tested during the 1950s used ...

or core, the fissile material in a nuclear weapon *

Semiconductor intellectual property core In electronic design, a semiconductor intellectual property core (SIP core), IP core, or IP block is a reusable unit of logic, cell, or integrated circuit layout design that is the intellectual property of one party. IP cores can be licensed t ...

(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 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. 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 A planetary core consists of the innermost layers of a planet. Cores may be entirely solid or 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 ...

, the center of a planet **

Earth's inner core Earth's inner core is the innermost geologic layer of planet Earth. It is primarily a solid ball with a radius of about , which is about 20% of Earth's radius or 70% of the Moon's radius. There are no samples of Earth's core accessible for d ...

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 e ...

Stellar core A stellar core is the extremely hot, dense region at the center of a star. For an ordinary main sequence star, the core region is the volume where the temperature and pressure conditions allow for energy production through thermonuclear fusion of h ...

, 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 memory of a computer program at a specific time, generally when the program has crashed or otherwise termina ...

, 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 o ...

, 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 magnet ...

, 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, a ...

(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 (such ...

, 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 has ...

, 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 members ...

, 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 nor ...

, 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 cat ...

* 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 ter ...

* 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) 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 ''Undertale'' is a 2015 2D 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 ...

'' * "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) Core is an American stoner rock band from New Jersey, formed in the late 1990s. Biography Core debuted with their first album, ''Revival'', in 1996 on Atlantic Records. The album was produced by Billy Anderson and supported by tours with Fu Ma ...

, 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 ''Paranoia Agent Original Soundtrack'' is the soundtrack to the TV series ''Paranoia Agent'' composed by Susumu Hirasawa. The CDs catalog number is #5274, and is labeled by Geneon Entertainment, the same company that holds the English language ri ...

* "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 Core International, Inc., commonly referred to as Core, was a multinational computer and technology corporation headquartered in Boca Raton, Florida, United States. The company is now part of Sony and no longer exists as stand-alone identity. Th ...

, 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 C ...

, a videogame developer best known for the ''Tomb Raider'' series * Coordenadoria de Recursos Especiais, Brazilian state police SWAT team *

Digestive Disorders Foundation Guts UK, formerly known as the Digestive Disorders Foundation, is a British medical research charity dedicated to the research of digestive disorders. In 1970, the Council of the British Society of Gastroenterology The British Society of Gastroe ...

, 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 The China Open Resources for Education, or CORE, was a non-profit organization that promoted closer interaction and open sharing of educational resources between Chinese and international universities. Its website is offline since 2013. Overview ...

, 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) 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 acce ...

, 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 The Core district is a neighborhood of Downtown San Diego, California. The Core district is the central business district in Downtown San Diego. Geography This district is located in the center of the city; it is bordered to the north by Cortez ...

, a neighborhood in California *

Core, West Virginia Core is an unincorporated community in Monongalia County, West Virginia, United States. Core is northwest of downtown Morgantown. The community was named after the local Core family. References Unincorporated communities in Monongal ...

Core Banks, North Carolina The Core Banks are barrier islands in North Carolina, part of the Outer Banks and 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 Sound, North Carolina

Other places

Corés Corés is one of fifteen parishes (administrative divisions) in Somiedo, a municipality within the province and autonomous community of Asturias, in northern Spain , image_flag = Bandera de España.svg , image_coat = E ...

, a parish in Spain *

The Core Shopping Centre (Calgary) The Core (stylized The CORE), which consists of TD Square, the Holt Renfrew building, and the former Calgary Eaton Centre, is the dominant shopping complex located in the downtown core of Calgary, Alberta, Canada. It spans three city blocks and c ...

, 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 In modern Chinese politics, a leadership core or core leader () refers to a person who is recognized as central to the leadership of the Chinese Communist Party. Four individuals so far have been given this designation: Mao Zedong, Deng Xiaoping, ...

, 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 aft ...

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

Core countries In world systems theory, the core countries are the industrialized capitalist or imperialist countries, which depend on appropriation from peripheral countries and semi-peripheral countries. Core countries control and benefit from the global ma ...

, 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 lithic core is a distinctive 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 flakes from a lump of source material or too ...

, in archaeology, a stone artifact left over from toolmaking * CORE (Clinical Outcomes in Routine Use) System, see CORE-OM