| core | | |
| n. (group) | 1. core, core group, nucleus | a small group of indispensable persons or things.; "five periodicals make up the core of their publishing program" |
| ~ set | a group of things of the same kind that belong together and are so used.; "a set of books"; "a set of golf clubs"; "a set of teeth" |
| ~ cadre | a nucleus of military personnel capable of expansion. |
| n. (location) | 2. core | the center of an object.; "the ball has a titanium core" |
| ~ midpoint, centre, center | a point equidistant from the ends of a line or the extremities of a figure. |
| ~ corn cob, corncob | the hard cylindrical core that bears the kernels of an ear of corn. |
| n. (object) | 3. core | the central part of the Earth. |
| ~ midpoint, centre, center | a point equidistant from the ends of a line or the extremities of a figure. |
| n. (cognition) | 4. center, centre, core, essence, gist, heart, heart and soul, inwardness, kernel, marrow, meat, nitty-gritty, nub, pith, substance, sum | the choicest or most essential or most vital part of some idea or experience.; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story" |
| ~ cognitive content, mental object, content | the sum or range of what has been perceived, discovered, or learned. |
| ~ bare bones | (plural) the most basic facts or elements.; "he told us only the bare bones of the story" |
| ~ hypostasis | (metaphysics) essential nature or underlying reality. |
| ~ haecceity, quiddity | the essence that makes something the kind of thing it is and makes it different from any other. |
| ~ quintessence | the purest and most concentrated essence of something. |
| ~ stuff | a critically important or characteristic component.; "suspense is the very stuff of narrative" |
| n. (object) | 5. core | a cylindrical sample of soil or rock obtained with a hollow drill. |
| ~ sample | all or part of a natural object that is collected and preserved as an example of its class. |
| n. (group) | 6. congress of racial equality, core | an organization founded by James Leonard Farmer in 1942 to work for racial equality. |
| ~ ngo, nongovernmental organization | an organization that is not part of the local or state or federal government. |
| n. (communication) | 7. burden, core, effect, essence, gist | the central meaning or theme of a speech or literary work. |
| ~ meaning, signification, import, significance | the message that is intended or expressed or signified.; "what is the meaning of this sentence"; "the significance of a red traffic light"; "the signification of Chinese characters"; "the import of his announcement was ambiguous" |
| n. (artifact) | 8. core, magnetic core | (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories.; "each core has three wires passing through it, providing the means to select and detect the contents of each bit" |
| ~ core memory, magnetic core memory | (computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories. |
| ~ ram, random-access memory, random access memory, random memory, read/write memory | the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible. |
| ~ computer science, computing | the branch of engineering science that studies (with the aid of computers) computable processes and structures. |
| ~ torus, toroid | a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle. |
| n. (artifact) | 9. core | the chamber of a nuclear reactor containing the fissile material where the reaction takes place. |
| ~ chamber | a natural or artificial enclosed space. |
| ~ nuclear reactor, reactor | (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements. |
| n. (artifact) | 10. core | a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil. |
| ~ bar | a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon.; "there were bars in the windows to prevent escape" |
| ~ magnet | (physics) a device that attracts iron and produces a magnetic field. |
| v. (contact) | 11. core | remove the core or center from.; "core an apple" |
| ~ core out, hollow out, hollow | remove the interior of.; "hollow out a tree trunk" |
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