magnetic core


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magnetic core

n.
See core.

core

(kɔr, koʊr)

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.
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 < Old French cors body < Latin corpus]
core′less, adj.

CORE

or C.O.R.E.

(kɔr, koʊr)

n.
Congress of Racial Equality.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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core - (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories; "each core has three wires passing through it, providing the means to select and detect the contents of each bit"
core memory, magnetic core memory - (computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories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 memory, random-access 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
References in periodicals archive ?
In the case of loss of superconductivity by additional screen, the magnetic flux extends along the area belonging to the window of the section of the magnetic core and forms the flux linkage, but this is not sufficient to provide a limiting short-circuit current.
Its' high intensity magnetic cores make it 100% effective for use with materials which have lower magnetic permeability such as tungsten carbide.
Although inkjet printing holds promise if it can be applied to standard semiconductor processes, a truly integrated transformer will require an integrated magnetic core, so much work remains to be done.
Distribution of magnetic flux density at magnetic core and within pipe: (a)simple model; (b) optimized configuration
sigma]1f] correspond to the part of the stator winding which is outside the stator magnetic core represented by the 2D model of the motor.
The 30-nanometer particle consists of an iron-oxide magnetic core with a thin gold shell that surrounds but does not touch the center.
Three drilling targets have been identified, designed to test the strongly magnetic core and two of the adjacent gravity bodies.
Functionalizing the outer surface of the magnetic core with amino groups enables the formation of corona-like structures of gold nanoparticles around the silica spheres.
However, although they commonly are used at RF frequencies, air-core coils have low inductance, so for practical reasons many larger inductors, such as those used in power supplies, are wound on a magnetic core.
In this incident, a steel oxygen cylinder was apparently drawn into the magnetic core of the MRI, striking the pediatric patient in the head.
Rectangular NdFeB magnets were fixed in the nests on the radial surface of the inductor's magnetic core.
Contamination of entrained metallic particles is reduced by a magnetic core that prefilters the fluid and attracts ferrous metal particles even during bypass conditions.