magnetic core
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magnetic core
n.
See core.
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
(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.
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 < Old French cors body < Latin corpus]
core′less, adj.
CORE
or C.O.R.E.
(kɔr, koʊr)n.
Congress of Racial Equality.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. | 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core - (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories; "each core has three wires passing through it, providing the means to select and detect the contents of each bit" core memory, magnetic core memory - (computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories RAM, random access memory, random memory, random-access memory, read/write memory - the most common computer memory which can be used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 |
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