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Core vs. Nucleus — What's the Difference?

Core vs. Nucleus — What's the Difference?

Difference Between Core and Nucleus

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Core

The central or innermost part
A rod with a hollow core.
The hard elastic core of a baseball.

Nucleus

A central or essential part around which other parts are gathered or grouped; a core
The nucleus of a city.

Core

The hard or fibrous central part of certain fruits, such as the apple or pear, containing the seeds.

Nucleus

Something regarded as a basis for future development and growth; a kernel
A few paintings that formed the nucleus of a great art collection.

Core

The basic or most important part; the crucial element or essence
A small core of dedicated supporters.
The core of the problem.
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Nucleus

(Biology) A membrane-bound organelle within a eukaryotic cell that contains most of the cell's genetic material. DNA transcription takes place in the nucleus.

Core

A set of subjects or courses that make up a required portion of a curriculum.

Nucleus

(Anatomy) A group of specialized nerve cells or a localized mass of gray matter in the brain or spinal cord.

Core

(Electricity) A soft iron rod in a coil or transformer that provides a path for and intensifies the magnetic field produced by the windings.

Nucleus

(Physics) The positively charged central region of an atom, composed of protons and neutrons, about which negatively charged electrons orbit. Extremely small and dense, the nucleus contains almost all of the mass of an atom.

Core

(Computers) A obsolete form of memory consisting of an array of tiny doughnut-shaped masses of magnetic material.

Nucleus

(Chemistry) A group of atoms bound in a structure, such as a benzene ring, that is resistant to alteration in chemical reactions.

Core

One of the magnetic doughnut-shaped masses that make up such a memory. Also called magnetic core.

Nucleus

The central, often brightest part of the head of a comet.

Core

The central portion of the earth below the mantle, beginning at a depth of about 2,900 kilometers (1,800 miles) and probably consisting of iron and nickel. It is made up of a liquid outer core and a solid inner core.

Nucleus

The solid part of a comet, composed of ice and smaller amounts of dust and rock.

Core

A similar central portion of a celestial body.

Nucleus

The central, often brightest part of a galaxy.

Core

A mass of dry sand placed within a mold to provide openings or shape to a casting.

Nucleus

(Meteorology) A particle on which water vapor molecules accumulate in free air to form a droplet or ice crystal.

Core

A reactor core.

Nucleus

(Linguistics) The part of a syllable having the greatest sonority. In the word middlemost (mĭdl-mōst′) the nuclei of the three syllables are (ĭ), (l), and (ō); in the Czech word krk ("neck"), the nucleus is (r).

Core

A cylindrical sample of rock, ice, or other material obtained from the interior of a mass by drilling or cutting.

Nucleus

The core, central part of something, around which other elements are assembled.

Core

The base or innermost part, such as soft or inferior wood, surrounded by an outer part or covering, such as veneer wood.

Nucleus

An initial part or version that will receive additions.
This collection will form the nucleus of a new library.

Core

(Archaeology) A stone from which one or more flakes have been removed, serving as a source for such flakes or as a tool itself.

Nucleus

The massive, positively charged central part of an atom, made up of protons and neutrons. Category:en:Nuclear physics

Core

(Anatomy) The muscles in the trunk of the human body, including those of the abdomen and chest, that stabilize the spine, pelvis, and shoulders.

Nucleus

(cytology) A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.

Core

To remove the core or innermost part from
Core apples.

Nucleus

(neuroanatomy) A ganglion, cluster of many neuronal bodies where synapsing occurs.

Core

To remove (a cylindrical sample) from something, such as a glacier.

Nucleus

The central part of a syllable, most commonly a vowel.

Core

To remove a cylindrical sample from (a glacier or soil layer, for example).

Nucleus

A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; - used both literally and figuratively.
It must contain within itself a nucleus of truth.

Core

To remove small plugs of sod from (turf) in order to aerate it.

Nucleus

The body or the head of a comet.

Core

To form or build with a base or innermost part consisting of a different substance from that of the covering or outer part
A fiberglass boat deck that is cored with wood.

Nucleus

An incipient ovule of soft cellular tissue.

Core

Of basic importance; essential
“Virtually all cultures around the world use the word heart to describe anything that is core, central, or foundational” (Robert A. Emmons).

Nucleus

A body, usually spheroidal, in a eukaryotic cell, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents, which contains the chromosomal genetic material, including the chromosomal DNA. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division.

Core

(Anatomy) Of or relating to the muscles of the trunk of the human body
A core workout.

Nucleus

The tip, or earliest part, of a univalve or bivalve shell.

Core

In general usage, an essential part of a thing surrounded by other essential things.

Nucleus

A part of the cell containing DNA and RNA and responsible for growth and reproduction

Core

The central part of a fruit, containing the kernels or seeds.
The core of an apple or quince

Nucleus

The positively charged dense center of an atom

Core

The heart or inner part of a physical thing.

Nucleus

A small group of indispensable persons or things;
Five periodicals make up the core of their publishing program

Core

The anatomical core, muscles which bridge abdomen and thorax.

Nucleus

(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail

Core

The center or inner part of a space or area.

Nucleus

Any histologically identifiable mass of neural cell bodies in the brain or spinal cord

Core

The most important part of a thing or aggregate of things wherever located and whether of any determinate location at all; the essence.
The core of a subject

Core

A technical term for classification of things denoting those parts of a category that are most easily or most likely understood as within it.

Core

Particular parts of technical instruments or machines essential in function:

Core

(engineering) The portion of a mold that creates an internal cavity within a casting or that makes a hole in or through a casting.

Core

Ellipsis of core memory; magnetic data storage.

Core

(computer hardware) An individual computer processor, in the sense when several processors (called cores or CPU cores) are plugged together in one single integrated circuit to work as one (called a multi-core processor).
I wanted to play a particular computer game, which required I buy a new computer, so while the game said it needed at least a dual-core processor, I wanted my computer to be a bit ahead of the curve, so I bought a quad-core.

Core

(engineering) The material between surface materials in a structured composite sandwich material.
A floor panel with a Nomex honeycomb core

Core

The inner part of a nuclear reactor, in which the nuclear reaction takes place.

Core

(military) The central fissile portion of a fission weapon.
In a hollow-core design, neutrons escape from the core more readily, allowing more fissile material to be used (and thus allowing for a greater yield) while still keeping the core subcritical prior to detonation.

Core

A piece of ferromagnetic material (e.g., soft iron), inside the windings of an electromagnet, that channels the magnetic field.

Core

(printing) A hollow cylindrical piece of cardboard around which a web of paper or plastic is wound.

Core

Hence particular parts of a subject studied or examined by technical operations, likened by position and practical or structural robustness to kernels, cores in the most vulgar sense above.

Core

(medicine) A tiny sample of organic material obtained by means of a fine-needle biopsy.

Core

The bony process which forms the central axis of the horns in many animals.

Core

A disorder of sheep caused by worms in the liver.

Core

(biochemistry) The central part of a protein's structure, consisting mostly of hydrophobic amino acids.

Core

A cylindrical sample of rock or other materials obtained by core drilling.

Core

(physics) An atomic nucleus plus inner electrons (i.e., an atom, except for its valence electrons).

Core

(obsolete) A body of individuals; an assemblage.

Core

A miner's underground working time or shift.

Core

: a former Hebrew and Phoenician unit of volume.

Core

A deposit paid by the purchaser of a rebuilt part, to be refunded on return of a used, rebuildable part, or the returned rebuildable part itself.

Core

Forming the most important or essential part.

Core

To remove the core of an apple or other fruit.

Core

To cut or drill through the core of (something).

Core

To extract a sample with a drill.

Core

A body of individuals; an assemblage.
He was in a core of people.

Core

A miner's underground working time or shift.

Core

A Hebrew dry measure; a cor or homer.

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

The center or inner part, as of an open space; as, the core of a square.

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

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

A disorder of sheep occasioned by worms in the liver.

Core

The bony process which forms the central axis of the horns in many animals.

Core

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.

Core

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

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 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 central part of a nuclear reactor, containing the fissionable fuel.

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.

Core

To form by means of a core, as a hole in a casting.

Core

To extract a cylindrical sample from, with a boring device. See core{8}.

Core

The center of an object;
The ball has a titanium core

Core

A small group of indispensable persons or things;
Five periodicals make up the core of their publishing program

Core

The central part of the Earth

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

Core

A cylindrical sample of soil or rock obtained with a hollow drill

Core

An organization founded by James Leonard Farmer in 1942 to work for racial equality

Core

The central meaning or theme of a speech or literary work

Core

The chamber of a nuclear reactor containing the fissile material where the reaction takes place

Core

A bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil

Core

Remove the core or center from;
Core an apple

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