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core Definition

core (kôr)

noun

  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
  4. in foundry work, that part of a mold which forms the interior of a hollow casting
  5. a cylindrical sample of earth strata, as of rock, soil, snow, or ice, that is removed from the ground or ocean floor by boring with a long hollow drill and used to study the various layers of material that were deposited over a long period of geologic time
  6. the central region of a nuclear reactor that contains the fissile fuel, and usually, control rods, moderator, etc.
  7. the wood center to which outer layers of veneer are attached
  8. Chem. the nucleus together with the closed electron shells of an atom; kernel
  9. Elec. a mass of magnetic material placed inside a wire coil, serving to channel and increase the strength of the magnetic field resulting from current in the coil
  10. Geol. the central zone inside the earth that begins at a depth of c. 2,900 km (c. 1,800 mi): it is extremely hot and has a liquid outer part and a solid inner part that are thought to be composed of iron and nickel

Etymology: ME < OFr cor, prob. < L cor, heart

transitive verb cored, cor′·ing

to remove the core of

adjective

central, basic, or most important; main core values, core knowledge

CORE Definition

CORE (kôr)

Congress of Racial Equality

core Synonyms

core

n.

  1. Essence

    gist, kernel, heart; see essence 1.

  2. Center

    hub, nucleus, focus; see center 1.

core Telecom Definition

  1. The central or essential part of a Wide Area Network (WAN) or Metropolitan Area Network (MAN) is commonly known as the core, or backbone. The network core comprises very high capacity elements and subsystems such as transmission systems, multiplexers, switches, and routers. See also MAN and WAN.
  2. The central and primary light-conducting portion of a glass optical fiber (GOF). The core is the inner portion of the fiber into which the optical signal is injected by either a light-emitting diode (LED) or one of many types of laser diodes. A single-mode fiber (SMF) used in a high speed, long haul fiber optic transmission system (FOTS) has a very narrow inner core, 5

core Usage Examples

Converse of object

  • dump: Warning: Some illegal calls to the GL library cause the Python interpreter to dump core.
  • constitute: I think that the present working-class core of the German Communist Party constitutes that Marxist core which the German Communist Party needs.

Adjective modifier

  • inner: The inner core helps to maintain the moist environment optimal for wound healing.
  • molten: The magnetic field of the Earth is generated in its molten iron core.
  • central: UNIX is a collection of utilities built around a central core, or kernel.
  • hard: Six years on there's a " hard core " of 7 of us who are still in daily contact.
  • galactic: And there may be even a larger and longer cycle of our galactic core aligning with or being influenced by another center.
  • solid: But we do strongly believe that within the complexities of this year's many changes is a solid core that can be built upon.

Modifies a noun

  • module: At Level 3, the core modules develop more advanced areas of study.
  • competency: What would the core competencies be to be a police officer with Grampian Police?
  • curriculum: In Papua New Guinea a draft core curriculum on IE has been developed for all primary teachers ' colleges which is currently being piloted.
  • funding: We get core funding - we're not deprived enough, we don't have enough crime.
  • principle: The empowerment of families was a core principle for a number of agencies.
  • element: This would form a core element of a significantly enhanced public transport network.

Noun used with modifier

  • ice: Flow properties of the ice from the Greenland Ice Core Project ice core: The reason for folds?
  • ferrite: Transmission line transformer using low-permeability ferrite cores gives amazingly flat response 1.8 to 30 MHz.
  • sediment: The power spectrum of oxygen isotope data from ocean sediment cores.
  • reactor: Control rods are inserted into the reactor core, more neutrons are absorbed.
  • balsa: The GRP hull is built using a composite lay-up and the decks incorporate a non-skid surface, and are stiffened by a balsa core.
  • foam: High quality, resilient foam core, molded into a precise shape, with a long lasting, attractive cover.