Editing Core (section)

==Science and technology==
* [[Core (anatomy)]], everything except the appendages
* [[Core (laboratory)]], a highly specialized shared research resource
* [[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
* [[Lithic core]], in archaeology, a stone artifact left over from toolmaking

===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#Closed linear operators|Unbounded operator]]
* Core, a radial kernel of a subset of a vector space; see [[Algebraic interior]]