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 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 Core, the central part of a galaxy; see Mass deficit 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, Computing Core Animation, a data visualization API used in macOS Core dump, the recorded state of a running program Intel Core, a family of single-core and multi-core 32-bit and 64-bit CPUs released by Intel Magnetic core, in electricity and electronics, ferromagnetic material around which wires are wound Magnetic-core memory, the primary memory technology used before semiconductor memory Central processing unit (CPU), called a core Multi-core processor, a microprocessor with multiple CPUs on one integrated circuit chip Server Core, a minimalist Microsoft Windows Server installation option Mathematics Core (game theory), the collection of stable allocations that no coalition can improve upon Core (graph theory), the homomorphically minimal subgraph of a graph Core (group theory), an object in group theory Core of a triangulated category Core, an essential domain of a closed operator; see Unbounded operator 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", 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