Definitions from Wiktionary ( )

▸ noun:  In general usage, an essential part of a thing surrounded by other essential things.
▸ noun:  The central part of a fruit, containing the kernels or seeds.
▸ noun:  The heart or inner part of a physical thing.
▸ noun:  The anatomical core, muscles which bridge abdomen and thorax.
▸ noun:  The center or inner part of a space or area.
▸ noun:  The most important part of a thing or aggregate of things wherever located and whether of any determinate location at all; the essence.
▸ noun:  A technical term for classification of things denoting those parts of a category that are most easily or most likely understood as within it.
▸ noun:  (botany) The main and most diverse monophyletic group within a clade or taxonomic group.
▸ noun:  (game theory) The set of feasible allocations that cannot be improved upon by a subset (a coalition) of the economy's agents.
▸ noun:  (art) A thematic aesthetic; objects related to a specific topic
▸ noun:  particular parts of technical instruments or machines essential in function:
▸ noun:  (engineering, manufacturing) The portion of a mold that creates a cavity or impression within the part (casting or molded part) or that makes a hole in or through the part.
▸ noun:  (computer hardware) An individual computer processor, in the sense when several processors (called cores or CPU cores) are plugged together in one single integrated circuit to work as one (called a multi-core processor).
▸ noun:  (engineering) The material between surface materials in a structured composite sandwich material.
▸ noun:  (engineering, nuclear physics) The inner part of a nuclear reactor, in which the nuclear reaction takes place.
▸ noun:  (military) The central fissile portion of a fission weapon.
▸ noun:  A piece of ferromagnetic material (e.g., soft iron), inside the windings of an electromagnet, that channels the magnetic field.
▸ noun:  (printing) A hollow cylindrical piece of cardboard around which a web of paper or plastic is wound.
▸ noun:  Hence particular parts of a subject studied or examined by technical operations, likened by position and practical or structural robustness to kernels, cores in the most vulgar sense above.
▸ noun:  (medicine) A tiny sample of organic material obtained by means of a fine-needle biopsy.
▸ noun:  The bony process which forms the central axis of the horns in many animals.
▸ noun:  A disorder of sheep caused by worms in the liver.
▸ noun:  (biochemistry) The central part of a protein's structure, consisting mostly of hydrophobic amino acids.
▸ noun:  A cylindrical sample of rock or other materials obtained by core drilling.
▸ noun:  (physics) An atomic nucleus plus inner electrons (i.e., an atom, except for its valence electrons).
▸ adjective:  Forming the most important or essential part.
▸ adjective:  (board sports) Deeply and authentically involved in the culture surrounding the sport.
▸ verb:  To remove the core of an apple or other fruit.
▸ verb:  To cut or drill through the core of (something).
▸ verb:  To extract a sample with a drill.
▸ noun:  (obsolete) A body of individuals; an assemblage.
▸ noun:  A miner's underground working time or shift.
▸ noun:  (automotive, machinery, aviation, marine) A deposit paid by the purchaser of a rebuilt part, to be refunded on return of a used, rebuildable part, or the returned rebuildable part itself.
▸ noun:  (neologism) An aesthetic ending in the suffix -core, such as cottagecore, normcore, etc.
▸ noun:  (Greek mythology) The birth name of Persephone/Proserpina, the queen of the Underworld/Hades, and goddess of the seasons and of vegetation. She is the daughter of Zeus and Demeter, and the wife of Hades.
▸ noun:  A female given name from Ancient Greek.
▸ noun:  A surname.
▸ noun:  A neighbourhood of San Diego, California, United States.
▸ noun:  An unincorporated community in Monongalia County, West Virginia, United States.
▸ noun:  (computing, informal, historical) Ellipsis of core memory.; magnetic data storage. [(computing, historical, countable, uncountable) A type of non-volatile random-access rewritable electronic memory using ferrite cores to magnetically store binary digits (bits).]
▸ noun:  (historical units of measure) Alternative form of cor: a former Hebrew and Phoenician unit of volume. [(historical units of measure) Various former units of volume, particularly:]
▸ noun:  Acronym of corporate responsibility.
▸ noun:  Acronym of Congress of Racial Equality.
▸ noun:  Acronym of Center for Operations Research and Econometrics.
▸ noun:  Acronym of Consortium for Oceanographic Research and Education.
▸ noun:  Acronym of Council on Rehabilitation Education.
▸ noun:  Acronym of Computing Research and Education Association.
▸ noun:  Obsolete form of Korah. [(biblical) A biblical character who rebelled against Moses.]

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