different between core vs shell

English

Pronunciation

• (Received Pronunciation) IPA^(key): /k??/
• (General American) IPA^(key): /k??/
• (rhotic, without the horse–hoarse merger) IPA^(key): /ko(?)?/
• (non-rhotic, without the horse–hoarse merger) IPA^(key): /ko?/
• Rhymes: -??(?)
• Homophone: corps; caw (non-rhotic accents with the horse-hoarse merger)

Etymology 1

From Middle English core, kore, coor (“apple-core, pith”), of uncertain origin; either from Old Irish cride, from Proto-Celtic *kridyom, from Proto-Indo-European *??r. Possibly Old French cuer (“heart”), from Latin cor (“heart”); or from Old French cors (“body”), from Latin corpus (“body”). Compare also Middle English colk, coke, coll (“the heart or centre of an apple or onion, core”). See also heart, corpse.

Noun

core (countable and uncountable, plural cores)

1. The central part of a fruit, containing the kernels or seeds.

2. The heart or inner part of a physical thing.
3. The center or inner part of a space or area.

   • the core of the square

4. The most important part of a thing; the essence.

5. (botany) Used to designate the main and most diverse monophyletic group within a clade or taxonomic group.
6. (engineering) The portion of a mold that creates an internal cavity within a casting or that makes a hole in or through a casting.
7. The bony process which forms the central axis of the horns in many animals.
8. (computing, informal, historical) Ellipsis of core memory; magnetic data storage.
9. (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).

10. (engineering) The material between surface materials in a structured composite sandwich material.

11. (engineering, nuclear physics) The inner part of a nuclear reactor, in which the nuclear reaction takes place.
12. (military) The central fissile portion of a fission weapon.

13. A piece of ferromagnetic material (e.g., soft iron), inside the windings of an electromagnet, that channels the magnetic field.
14. A disorder of sheep caused by worms in the liver.

    (Can we find and add a quotation of Halliwell to this entry?)

15. A cylindrical sample of rock or other materials obtained by core drilling.
16. (medicine) A tiny sample of organic material obtained by means of a fine-needle biopsy.
17. (biochemistry) The central part of a protein's structure, consisting mostly of hydrophobic amino acids.
18. (game theory) The set of feasible allocations that cannot be improved upon by a subset (a coalition) of the economy's agents.
19. (printing) A hollow cylindrical piece of cardboard around which a web of paper or plastic is wound.
20. (physics) An atomic nucleus plus inner electrons (i.e., an atom, except for its valence electrons).

Synonyms

• (The most important part of a thing): crux, gist; See also Thesaurus:gist

Hyponyms

• (central part of fruit): apple core
• (inner part of a physical thing): bifacial core
• (cylindrical sample): drill core

Derived terms

Related terms

Descendants

• Translingual: core Caryophyllales, core eudicots, core Malvales

Translations

Adjective

core (not comparable)

1. Forming the most important or essential part.

Verb

core (third-person singular simple present cores, present participle coring, simple past and past participle cored)

1. To remove the core of an apple or other fruit.
2. To extract a sample with a drill.

Derived terms

• corer
• uncore
• uncored

Translations

Etymology 2

See corps

Noun

core (plural cores)

1. (obsolete) A body of individuals; an assemblage.

   • He was in a core of people.

Translations

Etymology 3

See chore

Noun

core (plural cores)

1. A miner's underground working time or shift.

Translations

Etymology 4

From Hebrew ?????

Noun

core (plural cores)

1. (historical units of measure) Alternative form of cor: a former Hebrew and Phoenician unit of volume.

Etymology 5

Possibly an acronym for cash on return

Noun

core (plural cores)

1. (automotive, machinery, aviation, marine) 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.

References

Anagrams

• ROCE, cero, cero-, creo, ocre

Istriot

Alternative forms

• cor

Etymology

From Latin cor. Compare Italian cuore.

Noun

core

1. heart

   • Ti son la manduleîna del mio core;

     You are the almond of my heart;

Italian

Noun

core (core)

1. Archaic form of cuore.

Latin

Noun

core

1. ablative singular of coris

Neapolitan

Etymology

From Latin cor. Compare Italian cuore.

Noun

core m (plural core)

1. heart

Portuguese

Etymology 1

Borrowed from English core.

Pronunciation

• (Brazil) IPA^(key): /?k?.?i/, /?k??/

Noun

core m (plural cores)

1. (computer architecture) core (independent unit in a processor with several such units)

   Synonym: núcleo

Etymology 2

Pronunciation

• (Brazil) IPA^(key): /?k?.?i/

Verb

core

1. first-person singular (eu) present subjunctive of corar
2. third-person singular (ele and ela, also used with você and others) present subjunctive of corar
3. third-person singular (você) affirmative imperative of corar
4. third-person singular (você) negative imperative of corar

English

Etymology

From Middle English schelle, from Old English s?iell, from Proto-West Germanic *skallju, from Proto-Germanic *skalj?, from Proto-Indo-European *(s)kelH- (“to split, cleave”).

Compare West Frisian skyl (“peel, rind”), Dutch schil (“peel, skin, rink”), Low German Schell (“shell, scale”), Irish scelec (“pebble”), Latin silex (“pebble, flint”), siliqua (“pod”), Old Church Slavonic ??????? (skolika, “shell”). More at shale.Doublet of sheal.

• (computing): From being viewed as an outer layer of interface between the user and the operating-system internals.

Pronunciation

• enPR: sh?l, IPA^(key): /??l/
• Rhymes: -?l

Noun

shell (plural shells)

1. A hard external covering of an animal.
   1. The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates.

   2. (by extension) Any mollusk having such a covering.
   3. (entomology) The exoskeleton or wing covers of certain insects.
   4. The conjoined scutes that constitute the "shell" (carapace) of a tortoise or turtle.
   5. The overlapping hard plates comprising the armor covering the armadillo's body.
2. The hard calcareous covering of a bird egg.
3. One of the outer layers of skin of an onion.

4. (botany) The hard external covering of various plant seed forms.
   1. The covering, or outside part, of a nut.

   2. A pod containing the seeds of certain plants, such as the legume Phaseolus vulgaris.
   3. (in the plural) Husks of cacao seeds, a decoction of which is sometimes used as a substitute or adulterant for cocoa and its products such as chocolate.
5. (geology) The accreted mineral formed around a hollow geode.
6. (weaponry) The casing of a self-contained single-unit artillery projectile.
7. (weaponry) A hollow, usually spherical or cylindrical projectile fired from a siege mortar or a smoothbore cannon. It contains an explosive substance designed to be ignited by a fuse or by percussion at the target site so that it will burst and scatter at high velocity its contents and fragments. Formerly called a bomb.
8. (weaponry) The cartridge of a breechloading firearm; a load; a bullet; a round.
9. (architecture) Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in, as the shell of a house.
10. A garment, usually worn by women, such as a shirt, blouse, or top, with short sleeves or no sleeves, that often fastens in the rear.
11. A coarse or flimsy coffin; a thin interior coffin enclosed within a more substantial one.

    (Can we find and add a quotation of Knight to this entry?)

12. (music) A string instrument, as a lyre, whose acoustical chamber is formed like a shell.
    • 1687, John Dryden, A Song for Cecilia's Day

13. (music) The body of a drum; the often wooden, often cylindrical acoustic chamber, with or without rims added for tuning and for attaching the drum head.
14. An engraved copper roller used in print works.
15. The thin coating of copper on an electrotype.
16. (nautical) The watertight outer covering of the hull of a vessel, often made with planking or metal plating.
17. (nautical, rigging) The outer frame or case of a block within which the sheaves revolve.
18. (nautical) A light boat whose frame is covered with thin wood, impermeable fabric, or water-proofed paper; a racing shell or dragon boat.
19. (chemistry) A set of atomic orbitals that have the same principal quantum number.
20. (figuratively) The outward form independent of what is inside.
21. (figuratively) The empty outward form of someone or something.

22. An emaciated person.

23. A psychological barrier to social interaction.

24. (computing) An operating system software user interface, whose primary purpose is to launch other programs and control their interactions; the user's command interpreter. Shell is a way to separate the internal complexity of the implementation of the command from the user. The internals can change while the user experience/interface remains the same.

25. (business) A legal entity that has no operations.

26. A concave rough cast-iron tool in which a convex lens is ground to shape.
27. (engineering) A gouge bit or shell bit.
28. (phonology) The onset and coda of a syllable.
29. (Britain, slang) A person's ear.

    Synonym: shell-like

    Can I have a quick word in your shell?

Derived terms

Translations

Verb

shell (third-person singular simple present shells, present participle shelling, simple past and past participle shelled)

1. To remove the outer covering or shell of something.
2. To bombard, to fire projectiles at, especially with artillery.
3. (informal) To disburse or give up money, to pay. (Often used with out).
4. (intransitive) To fall off, as a shell, crust, etc.
5. (intransitive) To cast the shell, or exterior covering; to fall out of the pod or husk.

   Nuts shell in falling.

   Wheat or rye shells in reaping.

6. (computing, intransitive) To switch to a shell or command line.
   • 1993, Robin Nixon, The PC Companion (page 115)

     Automenu is a good program to try, and offers a fair amount of protection - but, unfortunately, it's one of those systems that allow users to shell to DOS.

7. To form shallow, irregular cracks (in a coating).
8. (topology) To form a shelling.

Derived terms

• sheller
• shell out

Translations

Further reading

• shell in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• shell in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• shell on Wikimedia Commons.Wikimedia Commons

Anagrams

• hells

Yola

Etymology

From Middle English schal, from Old English s?eal.

Verb

shell

1. shall

References

• Jacob Poole (1867) , William Barnes, editor, A glossary, with some pieces of verse, of the old dialect of the English colony in the baronies of Forth and Bargy, County of Wexford, Ireland, J. Russell Smith, ?ISBN