I. noun Usage: often attributive Etymology: Middle English Date: 14th century 1. a central and often foundational part usually distinct from the enveloping part by a difference in nature <
the core of the city
: as a. the usually inedible central part of some fruits (as a pineapple); especially the papery or leathery carpels composing the ripened ovary in a pome fruit (as an apple) b. the portion of a foundry mold that shapes the interior of a hollow casting c. a vertical space (as for elevator shafts, stairways, or plumbing apparatus) in a multistory building d. (1) a mass of iron serving to concentrate and intensify the magnetic field resulting from a current in a surrounding coil (2) a tiny doughnut-shaped piece of magnetic material (as ferrite) used in computer memories (3) a computer memory consisting of an array of cores strung on fine wires; broadly the internal memory of a computer e. the central part of a celestial body (as the earth or sun) usually having different physical properties from the surrounding parts f. a nodule of stone (as flint or obsidian) from which flakes have been struck for making implements g. the conducting wire with its insulation in an electric cable h. an arrangement of a course of studies that combines under basic topics material from subjects conventionally separated and aims to provide a common background for all students <
core curriculum
i. the place in a nuclear reactor where fission occurs 2. a. a basic, essential, or enduring part (as of an individual, a class, or an entity) <
the staff had a core of experts
the core of her beliefs
b. the essential meaning ; gist <
the core of the argument
c. the inmost or most intimate part <
honest to the core
3. a part (as a thin cylinder of material) removed from the interior of a mass especially to determine composition II. transitive verb (cored; coring) Date: 15th century to remove a core from <
core an apple
corer noun III. noun Etymology: perhaps alteration of Middle English chore chorus, company, perhaps from Latin chorus Date: 1622 chiefly Scottish a group of people

New Collegiate Dictionary. 2001.


Look at other dictionaries:

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  • Core — Core, n. [OF. cor, coer, cuer, F. c[oe]ur, fr. L. cor heart. See {Heart}.] 1. The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the core of …   The Collaborative International Dictionary of English

  • CORE — I noun backbone, bedrock, body, center, consequence, content, cornerstone, corpus, epitome, essence, fundamentals, gist, gravance, heart, main point, meat, nave, nub, nucleus, prime ingredient, principle, quiddity, quintessence, soul, substance,… …   Law dictionary

  • Core — 〈[kɔ:(r)] n. 15; Phys.〉 innerer Teil eines Kernreaktors, in dem die Kernreaktion abläuft [engl., „Kern, Kerngehäuse“] * * * Core [kɔ: ], das; [s], s [engl. core = Kern, Innerstes] (Kernphysik): wichtigster Teil eines Kernreaktors, in dem die… …   Universal-Lexikon

  • Core — Core, v. t. [imp. & p. p. {Cord} (k?rd); p. pr. & vb. n. {Coring}.] 1. To take out the core or inward parts of; as, to core an apple. [1913 Webster] He s like a corn upon my great toe . . . he must be cored out. Marston. [1913 Webster] 2. To form …   The Collaborative International Dictionary of English

  • core — ► NOUN 1) the tough central part of various fruits, containing the seeds. 2) the central or most important part of something. 3) the dense metallic or rocky central region of a planet. 4) the central part of a nuclear reactor, which contains the… …   English terms dictionary

  • core — [kôr] n. [ME < OFr cor, prob. < L cor,HEART] 1. the hard, central part of an apple, pear, etc., that contains the seeds 2. the central or innermost part of anything 3. the most important part, as of a matter, discussion, etc.; essence; pith …   English World dictionary

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  • Core — (k[=o]r), n. [F. corps. See {Corps}.] A body of individuals; an assemblage. [Obs.] [1913 Webster] He was in a core of people. Bacon. [1913 Webster] …   The Collaborative International Dictionary of English

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