-core - The Dictionary

corecentral part: apple core; heart: rotten to the coreNot to be confused with:corps ? body of persons; a military unit: a loyal member of the corpscorpse ? dead bodyAbused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary EmbreeCORE (kôr)abbr. Congress of Racial Equalitycore (kôr)n.1. The central or innermost part: a rod with a hollow core; the hard elastic core of a baseball. 2. The hard or fibrous central part of certain fruits, such as the apple or pear, containing the seeds.3. The basic or most important part; the crucial element or essence: a small core of dedicated supporters; the core of the problem. See Synonyms at substance.4. A set of subjects or courses that make up a required portion of a curriculum.5. Electricity A soft iron rod in a coil or transformer that provides a path for and intensifies the magnetic field produced by the windings.6. a. Computers A memory, especially one consisting of a series of tiny doughnut-shaped masses of magnetic material.b. One of the magnetic doughnut-shaped masses that make up such a memory. Also called magnetic core.7. Geology The central portion of the earth below the mantle, beginning at a depth of about 2,900 kilometers (1,800 miles) and probably consisting of iron and nickel. It is made up of a liquid outer core and a solid inner core.8. A mass of dry sand placed within a mold to provide openings or shape to a casting.9. A reactor core.10. A cylindrical sample of rock, ice, or other material obtained from the center of a mass by drilling or cutting.11. The base or innermost part, such as soft or inferior wood, surrounded by an outer part or covering, such as veneer wood.12. Archaeology A stone from which one or more flakes have been removed, serving as a source for such flakes or as a tool itself.13. Anatomy The muscles in the trunk of the human body, including those of the abdomen and chest, that stabilize the spine, pelvis, and shoulders. tr.v. cored, cor·ing, cores 1. To remove the core or innermost part from: core apples.2. a. To remove (a cylindrical sample) from something, such as a glacier.b. To remove a cylindrical sample from (a glacier or soil layer, for example).c. To remove small plugs of sod from (turf) in order to aerate it.3. To form or build with a base or innermost part consisting of a different substance from that of the covering or outer part: a fiberglass boat deck that is cored with wood.adj.1. Of basic importance; essential: “Virtually all cultures around the world use the word heart to describe anything that is core, central, or foundational” (Robert A. Emmons).2. Anatomy Of or relating to the muscles of the trunk of the human body: a core workout.[Middle English.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.core (k??) n1. (Botany) the central part of certain fleshy fruits, such as the apple or pear, consisting of the seeds and supporting parts2. a. the central, innermost, or most essential part of something: the core of the argument. b. (as modifier): the core meaning. 3. (General Physics) a piece of magnetic material, such as soft iron, placed inside the windings of an electromagnet or transformer to intensify and direct the magnetic field4. (Geological Science) geology the central part of the earth, beneath the mantle, consisting mainly of iron and nickel, which has an inner solid part surrounded by an outer liquid part5. (Geological Science) a cylindrical sample of rock, soil, etc, obtained by the use of a hollow drill6. (Metallurgy) shaped body of material (in metal casting usually of sand) supported inside a mould to form a cavity of predetermined shape in the finished casting7. (General Physics) physics the region of a nuclear reactor in which the reaction takes place8. (Furniture) a layer of wood serving as a backing for a veneer9. (Computer Science) computing a. one of several processing units working in parallel in a computerb. a ferrite ring formerly used in a computer memory to store one bit of informationc. short for core stored. (as modifier): core memory. 10. (Archaeology) archaeol a lump of stone or flint from which flakes or blades have been removed11. (General Physics) physics the nucleus together with all complete electron shells of an atomvb (Cookery) (tr) to remove the core from (fruit)[C14: of uncertain origin] ?coreless adjCORE (k??) (in the US) n acronym for (Government, Politics & Diplomacy) Congress of Racial EqualityCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014core (k?r, ko?r) n., v. cored, cor?ing. n. 1. the central part of a fleshy fruit, containing the seeds. 2. the central, innermost, or most essential part of anything. 3. the piece of iron, bundle of iron wires, or other ferrous material forming the central or inner portion in an electromagnet, induction coil, transformer, or the like. 4. (in mining, geology, etc.) a cylindrical sample of earth, mineral, or rock extracted from the ground so that the strata are undisturbed in the sample. 5. a lump of stone from which prehistoric humans struck flakes in order to make tools. 6. the central portion of the earth, having a radius of about 2100 mi. (3379 km) and believed to be composed mainly of iron and nickel in a molten state. Compare crust (def. 7), mantle (def. 3). 7. the region in a nuclear reactor that contains its fissionable material. 8. an assemblage of small magnetized ferrite rings used as a data-storage medium in some computers. 9. a thickness of base metal beneath a cladding. 10. heart (def. 15). v.t. 11. to remove the core of (fruit). 12. to cut from the central part. 13. to remove (a cylindrical sample) from the interior, as of the earth or a tree trunk. [1275?1325; Middle English; orig. uncertain; perhaps