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core

Definitions

  • WordNet 3.6
    • v core remove the core or center from "core an apple"
    • n core a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
    • n core the chamber of a nuclear reactor containing the fissile material where the reaction takes place
    • n core (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories "each core has three wires passing through it, providing the means to select and detect the contents of each bit"
    • n core 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"
    • n core the central meaning or theme of a speech or literary work
    • n core a small group of indispensable persons or things "five periodicals make up the core of their publishing program"
    • n CORE an organization founded by James Leonard Farmer in 1942 to work for racial equality
    • n core the center of an object "the ball has a titanium core"
    • n core the central part of the Earth
    • n core a cylindrical sample of soil or rock obtained with a hollow drill
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: It is impossible to land on planet Jupiter, because, scientists believe that below all the gases and liguid there is a center [core] which is made up of small ball of pressurized iron, but it is impossible to tell for sutre.
    • n Core kōr A body of individuals; an assemblage. "He was in a core of people."
    • Core A disorder of sheep occasioned by worms in the liver.
    • n Core A Hebrew dry measure; a cor or homer.
    • Core (Elec) A mass of iron or other ferrous metal, forming the central part of an electromagnet, such as those upon which the conductor of an armature, a transformer, or an induction coil is wound.
    • n Core (Mining) A miner's underground working time or shift.☞ The twenty-four hours are divided into three or four cores.
    • Core (mining) a sample of earth or rock extracted from underground by a drilling device in such a manner that the layers of rock are preserved in the same order as they exist underground; as, to drill a core; to extract a core . The sample is typically removed with a rotating drill bit having a hollow center, and is thus shaped like a cylinder.
    • Core (Anat) The bony process which forms the central axis of the horns in many animals.
    • Core The center or inner part, as of an open space; as, the core of a square.
    • Core (Engineering) the central part of a nuclear reactor, containing the fissionable fuel.
    • Core (Geol) the central part of the earth, believed to be a sphere with a radius of about 2100 miles, and composed primarily of molten iron with some nickel. It is distinguished from the crust and mantle.
    • Core 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 an apple or quince. "A fever at the core,
      Fatal to him who bears, to all who ever bore."
    • Core (Computers) The main working memory of a digital computer system, which typically retains the program code being executed as well as the data structures that are manipulated by the program. Contrasted to ROM and data storage device.
    • Core The most important part of a thing; the essence; as, the core of a subject; -- also used attributively, as the core curriculum at a college.
    • Core (Founding) The portion of a mold which shapes the interior of a cylinder, tube, or other hollow casting, or which makes a hole in or through a casting; a part of the mold, made separate from and inserted in it, for shaping some part of the casting, the form of which is not determined by that of the pattern.
    • Core To extract a cylindrical sample from, with a boring device. See core{8.
    • Core To form by means of a core, as a hole in a casting.
    • Core To take out the core or inward parts of; as, to core an apple. "He's like a corn upon my great toe . . . he must be cored out."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The Earths core is a ball of Iron-Nickle at 7,000 C and is 80% the size of the moon.
    • n core The heart or innermost part of anything; hence, the nucleus or central or most essential part, literally or figuratively: as, the core of a question.
    • n core Specifically— The central part of a fleshy fruit, containing the seeds or kernels: as, the core of an apple or a quince.
    • n core In architecture, the inner part or filling of a wall or column.
    • n core In medicine, the fibrous innermost part of a boil.
    • n core In molding, the internal mold of a casting, which fills the space intended to be left hollow. Cores are made of molding-sand, mixed with other ingredients to give strength and porosity, and are usually baked before being used.
    • n core In telegraphy, the central cord of insulated conducting wires in a submarine or subterranean cable.
    • n core The iron nucleus of an electromagnet.
    • n core In rope-making, a central strand around which other strands are twisted, as in a wire rope; or a cable.
    • n core In hydraulic engineering, an impervious wall or structure, as of concrete, in an embankment or dike of porous material, to prevent the passage of water by percolation.
    • n core The cylindrical piece of rock obtained in boring by means of the diamond drill or any other boring-machine which makes an annular cut. Also called carrot.
    • n core The bony central part of the horn of a ruminant; a horn-core, or process of the frontal bone.
    • n core In prehistoric archæol., a piece of flint, obsidian, or similar material, from which knives and other stone implements have been chipped.
    • n core The center or innermost part of any open space.
    • n core A disorder in sheep caused by worms in the liver.
    • n core An internal induration in the udder of a cow.
    • core To make, mold, or cast on a core.
    • core To remove the core of, as of an apple or other fruit.
    • core To roll in salt and prepare for drying: applied to herrings.
    • n core In mining, the number of hours, generally from six to eight, during which each party of miners works before being relieved. The miner's day is thus usually divided into three or four cores or shifts.
    • n core A body.
    • n core A body of persons; a party; a crew; a corps.
    • n core Chosen; directed.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: Fifty years ago the B. F. Goodrich Company, the American corporation known for its automobile tires, thought it was really on to something. Its engineers came up with the prototype of an atomic golf ball. The ball, with a radioactive core, would be easy to locate with a Geiger counter if hit into the rough. But the company abandoned the invention as unworkable.
    • n Core kōr the heart: the inner part of anything, esp. of fruit
    • v.t Core to take out the core of fruit
    • n Core kōr a number of people.
    • ***

Quotations

  • Ralph Waldo Emerson
    Ralph%20Waldo%20Emerson
    “Sunday is the core of our civilization, dedicated to thought and reverence.”
  • Merlin Olsen
    Merlin Olsen
    “The winning team has a dedication. It will have a core of veteran players who set the standards. They will not accept defeat.”
  • Don Marquis
    Don%20Marquis
    “A fierce unrest seethes at the core, of all existing things:, it was the eager wish to soar, that gave the gods their wings.”
  • Brendan Francis
    Brendan Francis
    “At the innermost core of all loneliness is a deep and powerful yearning for union with one's lost self.”
  • Anne Perry
    Anne Perry
    “... she knew in her heart that to be without optimism, that core of reasonless hope in the spirit rather than the brain, was a fatal flaw, the seed of death.”

Etymology

Webster's Revised Unabridged Dictionary
OF. cor, coer, cuer, F. cœur, fr. L. cor, heart. See Heart
Chambers's Twentieth Century Dictionary
See Corps.

Usage

In literature:

There was a weakness at the core of my strength.
"The Thing from the Lake" by Eleanor M. Ingram
Oh, what a pretty white core!
"A Little Girl in Old Boston" by Amanda Millie Douglas
Every joke has its core, and the core of this one was most evidently the likeness between himself and Rochester.
"The Man Who Lost Himself" by H. De Vere Stacpoole
The masses are not large classes at the base of a social pyramid; they are the core of the society.
"Folkways" by William Graham Sumner
Pare, core and cut five sour apples into eighths; place evenly in a pie plate lined with the usual pie pastry.
"The Community Cook Book" by Anonymous
For what are the core and essence of this hypothesis?
"Fragments of science, V. 1-2" by John Tyndall
It is covered with a thin skin, and has an oblong core four inches long.
"Captain Cook" by W.H.G. Kingston
Now, since the especial characteristic of the great earth-core is heat, it comes directly into relationship with the forces mentioned.
"New and Original Theories of the Great Physical Forces" by Henry Raymond Rogers
The coyote's ears twitched, her head came up, she was staring at the man's drawn face, at his eyes with their core of fear.
"The Defiant Agents" by Andre Alice Norton
The flesh outside the core-outline is interpreted to be stem structure rather than pistil structure.
"The Apple-Tree" by L. H. Bailey
Then began the fusilade of cores and parings.
"A Spoil of Office" by Hamlin Garland
Cut in half, take out the core and a few of the seeds.
"The Golden Age Cook Book" by Henrietta Latham Dwight
Wash, pare, quarter, core and slice the apples very thin spread between the bread.
"The Suffrage Cook Book"
Peel and core the apples.
"The Cookery Blue Book" by Society for Christian Work of the First Unitarian Church, San Francisco, California
His business there was not only to protect the Gatun dam but also to get to the core of the conspiracy and bring the plotters to punishment.
"Boy Scouts in the Canal Zone" by G. Harvey Ralphson
When soft, peel and remove the core then mash.
"Pennsylvania Dutch Cooking" by Unknown
Her brother was rotten to the core, as rotten as her father.
"The Explorer" by W. Somerset Maugham
Peel, core, and slice the apples; dissolve the sugar in the water, using an enamelled stewpan; place in the apples and cloves.
"New Vegetarian Dishes" by Mrs. Bowdich
But still within my bosom's core Shall live my Highland Mary.
"Home Life of Great Authors" by Hattie Tyng Griswold
These facts are so obvious as scarcely to need mention, yet they may be the core of this whole matter of feeling.
"Psychology" by Robert S. Woodworth
***

In poetry:

Purple as the innermost
Core of a sinking flame,
Deep in the leaves the violets smoulder
To the dust whence they came.
"The Flowers" by Aldous Huxley
The will she robbeth from the wit,
The sense from reason's lore;
She is delightful in the rind,
Corrupted in the core.
"Love's Servile Lot" by Robert Southwell
For her I bear the Flame
Replenished from of yore—
Unquenchably the same
Like the great fire within the planet's core.
"De Profundis" by Clark Ashton Smith
The nearest is at life's core;
With the first, you all begin:
What matter how little the little door
If it only let you in?
"Willie's Question" by George MacDonald
The stalwart men of fair Lucerne
Together have they join'd;
The pith and core of manhood stern,
Was none cast looks behind.
"The Battle of Sempach" by Sir Walter Scott
In vain I searched the land and sea,
E’en to the inmost core,
The curtains of eternal night
Descend—my search is o’er.
"Quest" by Georgia Douglas Johnson

In news:

Is working on a new smartphone as its core personal computers and printer businesses continue to dwindle, CEO Meg Whitman said in an interview Friday morning.
Celebrated but challenged," demonstrated the need to protect "the right to vote because electing members of our representative government is the core function of citizenship".
Local candidates for the state Legislature and Kent County Levy Court sparred Tuesday night over how best to get children back to learning core knowledge that will enable them to pass any test, how to.
This electro-mechanical device lifts and drops the cores from varying heights in order to build up an accurate and repeatable strength profile.
The core CPI rate, which excludes food and energy, rose 0.1.
Core CPI, which strips out volatile food and energy, showed consumer prices rose 0.2% in January, and 2.3% year-over-year.
(While core inflation was just 2.3% in February, the CPI was 4%.
City subway systems converge on a ratio for the number of stations on branch lines to the number in city cores.
Core Dump icons CoreDump .
Core group of artists, writers serve up Hedge Apple magazine.
CP is 'core piece' of church's identity.
How metal- cored wires reduce hidden welding costs.
Gas-shielded cored wires find their niche.
Because of this, the Vengeance RAM modules are said to have ensured compatibility with 2nd Generation Intel Core processors.
ARM Cortex -A9 Quad-Core processor board excels with its high media performance and low energy consumption.
***

In science:

We shall argue that the core is made of a giant connected “core” component plus a finite number of small connected components involving a total of o(N ) vertices.
Core percolation in random graphs: a critical phenomena analysis
We show in particular in section 6.1 that for any α the core of a random graph only carries a small number of 0 eigenvalues of the adjacency matrix and that the emergence of the core has a direct impact on the localized and delocalized eigenvectors with eigenvalue 0.
Core percolation in random graphs: a critical phenomena analysis
We denote the number of points in the core by Nc and the number of edges in the core by Lc .
Core percolation in random graphs: a critical phenomena analysis
Remember that by definition, the number of isolated points after leaf removal is N i(α) + o(N ), the number of vertices in the core is Nc = N c(α) + o(N ), and the number of edges in the core is Lc = N l(α) + o(N ).
Core percolation in random graphs: a critical phenomena analysis
The fact that the core of a graph is an induced subgraph of the original graph allows to give a physicist’s argument for the uniqueness of the giant component in the core.
Core percolation in random graphs: a critical phenomena analysis
O(ε3 ) The expansion for l contains only integral powers of ε, and this may be related to the fact (see section 5) that the finite size corrections for the number of edges in the core Lc are slightly nicer than the ones for the number of vertices in the core Nc .
Core percolation in random graphs: a critical phenomena analysis
Figure 4: Monte-Carlo estimations of the variance of the size of the core χc (α) and the variance of the number of edges of the core χl (α).
Core percolation in random graphs: a critical phenomena analysis
Evidence of large-scale asymmetry suggests a jet-like explosion of the core, which is considered a necessary ingredient for cosmological bursts if they involve internal shocks within high Lorentz factor flows from the cores of stars .
Trans-Relativistic Supernovae, Circumstellar Gamma-Ray Bursts, and Supernova 1998bw
The core and main body of NGC 4365 have nearly indistinguishable ages, metallicity and abundance ratios, and the core of NGC 4150 is very probably the remnant of a recent gaseous accretion followed by star formation.
Probing the stellar populations of early-type galaxies: the SAURON survey
Note that, in the case of core preservation, the core radius is typically ∼ 3 times larger than the radius of the “sphere of influence” of the final SMBH, rBH = GmBH /σ2 ∗ .
The formation of galaxy stellar cores by the hierarchical merging of supermassive black holes
Upper limits are shown for the ‘cuspy’ galaxies of Faber et al. (1997) sample, assuming a flat core within the upper limit on the core size.
The formation of galaxy stellar cores by the hierarchical merging of supermassive black holes
Edges which are not in its 2-core can of course all be cut, even after a partition of the 2-core has been decided.
Random MAX SAT, Random MAX CUT, and Their Phase Transitions
Fig. 3.— The correlation between the radio core at 5GHz and the optical (R band) cores seen in HST images, for the FR I radio galaxies of the 3CR sample (Chiaberge et al. 1999).
The nuclear SED of NGC6251: a BL Lac in the center of an FR I radio galaxy
The initial core collapse and segregation of massive stars into the cluster core, which typically happens on a much shorter time scale than that characterizing the dynamical inspiral of the cluster toward the Galactic center, can provide the requisite high density.
Dynamical Friction on Star Clusters near the Galactic Center
Thus, if the extremely compact cluster core consisting of massive stars were to be better modeled, Simulations 10 & 11 may then be able to bring a much higher fraction of core stars down to the central parsec.
Dynamical Friction on Star Clusters near the Galactic Center
***