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core

 - 21 dictionary results
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core

1  [kawr, kohr] noun, verb, cored, cor⋅ing.
Use core in a Sentence
–noun
1. the central part of a fleshy fruit, containing the seeds.
2. the central, innermost, or most essential part of anything.
3. Also called magnetic core. Electricity. 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 by means of a corer so that the strata are undisturbed in the sample.
5. the inside wood of a tree.
6. Anthropology. a lump of stone, as flint, from which prehistoric humans struck flakes in order to make tools. Compare flake tool.
7. Carpentry.
a. a thickness of wood forming a base for a veneer.
b. a wooden construction, as in a door, forming a backing for veneers.
8. Engineering. kern 2 .
9. Metallurgy.
a. a thickness of base metal beneath a cladding.
b. the softer interior of a piece of casehardened metal.
c. a specially formed refractory object inserted into a mold to produce cavities or depressions in the casting that cannot be readily formed on the pattern.
10. Geology. 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. 6), mantle (def. 3).
11. Also called reactor core. Physics. the region in a reactor that contains its fissionable material.
12. Also called magnetic core. Computers. a small ring or loop of ferromagnetic material with two states of polarization that can be changed by changing the direction of the current applied in wires wound around the ring, used to store one bit of information or to perform switching or logical functions.
13. Ropemaking. heart (def. 16).
14. Phonetics. the final segment of a syllable beginning with the vowel and including any following consonants; the nucleus plus the coda. Compare onset (def. 3).
–verb (used with object)
15. to remove the core of (fruit).
16. to cut from the central part.
17. to remove (a cylindrical sample) from the interior, as of the earth or a tree trunk: to core the ocean bottom.
18. to form a cavity in (a molded object) by placing a core, as of sand, in the mold before pouring.
Origin:
1275–1325; 1945–50 for def. 11; ME; orig. uncert.; perh. < OF cors body < L corpus

Related forms:
coreless, adjective

Synonyms:
2. essence, heart, gist, center.
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core

2  [kawr, kohr]
–noun Chiefly Scot.
a small company or group of people, esp. a gang of miners or a small corps of workers.
Origin:
1150–1200; ME chor(e) dance, company of dancers or singers. See chorus

Co⋅re

  [kawr-ee, kohr-ee]
–noun
1. Korah.
2. Classical Mythology. Kore.

CORE

  [kawr, kohr]
–noun
Congress of Racial Equality.
Also, C.O.R.E.

heart

  [hahrt]
–noun
1. Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
2. Zoology.
a. the homologous structure in other vertebrates, consisting of four chambers in mammals and birds and three chambers in reptiles and amphibians.
b. the analogous contractile structure in invertebrate animals, as the tubular heart of the spider and earthworm.
3. the center of the total personality, esp. with reference to intuition, feeling, or emotion: In your heart you know I'm an honest man.
4. the center of emotion, esp. as contrasted to the head as the center of the intellect: His head told him not to fall in love, but his heart had the final say.
5. capacity for sympathy; feeling; affection: His heart moved him to help the needy.
6. spirit, courage, or enthusiasm: His heart sank when he walked into the room and saw their gloomy faces.
7. the innermost or central part of anything: Notre Dame stands in the very heart of Paris.
8. the vital or essential part; core: the heart of the matter.
9. the breast or bosom: to clasp a person to one's heart.
10. a person (used esp. in expressions of praise or affection): dear heart.
11. a conventional shape with rounded sides meeting in a point at the bottom and curving inward to a cusp at the top.
12. a red figure or pip of this shape on a playing card.
13. a card of the suit bearing such figures.
14. hearts,
a. (used with a singular or plural verb) the suit so marked: Hearts is trump. Hearts are trump.
b. (used with a singular verb) a game in which the players try to avoid taking tricks containing this suit.
15. Botany. the core of a tree; the solid central part without sap or albumen.
16. good condition for production, growth, etc., as of land or crops.
17. Also called core. Ropemaking. a strand running through the center of a rope, the other strands being laid around it.
–verb (used with object)
18. Archaic.
a. to fix in the heart.
b. to encourage.
—Idioms
19. after one's own heart, in keeping with one's taste or preference: There's a man after my own heart!
20. at heart, in reality; fundamentally; basically: At heart she is a romantic.
21. break someone's heart, to cause someone great disappointment or sorrow, as to disappoint in love: The news that their son had been arrested broke their hearts.
22. by heart, by memory; word-for-word: They knew the song by heart.
23. cross one's heart, to maintain the truth of one's statement; affirm one's integrity: That's exactly what they told me, I cross my heart!
24. do someone's heart good, to give happiness or pleasure to; delight: It does my heart good to see you again.
25. eat one's heart out, to have sorrow or longing dominate one's emotions; grieve inconsolably: The children are eating their hearts out over their lost dog.
26. from the bottom of one's heart, with complete sincerity. Also, from one's heart, from the heart.
27. have a heart, to be compassionate or merciful: Please have a heart and give her another chance.
28. have at heart, to have as an object, aim, or desire: to have another's best interests at heart.
29. have one's heart in one's mouth, to be very anxious or fearful: He wanted to do the courageous thing, but his heart was in his mouth.
30. have one's heart in the right place, to be fundamentally kind, generous, or well-intentioned: The old gentleman may have a stern manner, but his heart is in the right place.
31. heart and soul, enthusiastically; fervently; completely: They entered heart and soul into the spirit of the holiday.
32. in one's heart of hearts, in one's private thoughts or feelings; deep within one: He knew, in his heart of hearts, that the news would be bad.
33. lose one's heart to, to fall in love with: He lost his heart to the prima ballerina.
34. near one's heart, of great interest or concern to one: It is a cause that is very near his heart. Also, close to one's heart.
35. not have the heart, to lack the necessary courage or callousness to do something: No one had the heart to tell him he was through as an actor.
36. set one's heart against, to be unalterably opposed to: She had set her heart against selling the statue. Also, have one's heart set against.
37. set one's heart at rest, to dismiss one's anxieties: She couldn't set her heart at rest until she knew he had returned safely.
38. set one's heart on, to wish for intensely; determine on: She has set her heart on going to Europe after graduation. Also, have one's heart set on.
39. take heart, to regain one's courage; become heartened: Her son's death was a great blow, but she eventually took heart, convinced that God had willed it.
40. take or lay to heart,
a. to think seriously about; concern oneself with: He took to heart his father's advice.
b. to be deeply affected by; grieve over: She was prone to take criticism too much to heart.
41. to one's heart's content, until one is satisfied; as much or as long as one wishes: The children played in the snow to their heart's content.
42. wear one's heart on one's sleeve,
a. to make one's intimate feelings or personal affairs known to all: She was not the kind who would wear her heart on her sleeve.
b. to be liable to fall in love; fall in love easily: How lovely to be young and wear our hearts on our sleeves!
43. with all one's heart,
a. with earnestness or zeal.
b. with willingness; cordially: She welcomed the visitors with all her heart.
Origin:
bef. 900; ME herte, OE heorte; c. D hart, G Herz, ON hjarta, Goth hairtō; akin to L cor (see cordial, courage ), Gk kardía (see cardio- )

Ko⋅rah

  [kawr-uh, kohr-uh]
–noun
a Levite who led a rebellion against Moses and Aaron. Num. 16.
Also, Core.

ko⋅re

  [kawr-ee, kohr-ee; kawr-ey, kohr-ey]
–noun, plural ko⋅rai  [kawr-ahy, kohr-ahy] .
1. Greek Antiquity. a sculptured representation of a young woman, esp. one produced prior to the 5th century b.c.
2. Also, Core, Cora. (initial capital letter) Classical Mythology. Persephone, esp. as a symbol of virginity.
Origin:
1915–20; < Gk kórē girl
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To core
core   (kôr, kōr)   
n.  

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

  2. The central or innermost part: the hard elastic core of a baseball; a rod with a hollow core.

  3. The basic or most important part; the essence: a small core of dedicated supporters; the core of the problem. See Synonyms at substance.

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

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

    1. Computer Science A memory, especially one consisting of a series of tiny doughnut-shaped masses of magnetic material. Also called core memory.

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

  7. 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.

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

  9. A reactor core.

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

  11. The base, usually of soft or inferior wood, to which veneer woods are glued.

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

tr.v.   cored, cor·ing, cores

  1. To remove the core from: core apples.

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


[Middle English.]
CORE   (kôr, kōr)   
abbr.  Congress of Racial Equality
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Cultural Dictionary

core

In geology, the central region of the Earth; it extends fourteen hundred to eighteen hundred miles from the Earth's center.

Note: The core is made primarily of iron and nickel and has two parts — an inner solid core and an outer liquid core.
Note: The mantle is the layer of the Earth that overlies the core.

heart

The hollow muscular organ that is the center of the circulatory system. The heart pumps blood throughout the intricate system of blood vessels in the body.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Slang Dictionary
heart

  1. tv.
    to love someone or something. (Teens.) : She's hearting him more every day.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
Cite This Source
Word Origin & History

heart 
O.E. heorte, from P.Gmc. *khertan- (cf. O.S. herta, O.N. hjarta, Du. hart, O.H.G. herza, Ger. Herz, Goth. hairto), from PIE *kerd- "heart" (cf. Gk. kardia, L. cor, O.Ir. cride, Welsh craidd, Hittite kir, Lith. širdis, Rus. serdce "heart," Breton kreiz "middle," O.C.S. sreda "middle"). Spelling with -ea- is c.1500, by analogy of pronunciation with stream, heat, etc., but remained when pronunciation shifted. Most of the figurative senses were present in O.E., including "intellect, memory," now only in by heart. Hearty is c.1380; heart-rending is from 1687. Heartache was in O.E. in the sense of a physical pain, 1602 in sense of "anguish of mind;" heartburn is c.1250. Broken-hearted is attested from 1526. Heart-strings (1483) was originally literal, in old anatomy theory "the tendons and nerves that brace the heart." Heartless (c.1330) originally was used with a meaning "dejected;" sense of "callous, cruel" is not certainly attested before Shelley used it so in 1816. Heartland first recorded 1904 in geo-political writings of H.J. MacKinder.

core 
1398, probably from O.Fr. coeur "core of fruit, heart of lettuce," lit. "heart," from L. cor "heart," from PIE base *kerd- "heart" (see heart).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: core
Pronunciation: 'kO(&)r, 'ko(&)r
Function: noun
: the central part of a body, mass, or part

Main Entry: heart
Pronunciation: 'härt
Function: noun
1 : a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts asa force pump maintaining the circulation of the blood and that in the human adult is about five inches (13 centimeters) long and three and one half inches (9 centimeters) broad, is of conical form, isplaced obliquely in the chest with the broad end upward and to the right and the apex opposite the interval between the cartilages of the fifth and sixth ribs on the left side, is enclosed in a serouspericardium, and consists as in other mammals and in birds of four chambers divided into an upper pair of rather thin-walled atria which receive blood from the veins and a lower pair of thick-walledventricles into which the blood is forced and which in turn pump it into the arteries
2 : a structure in an invertebrate animal functionally analogous to the vertebrate heart
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

core (kôr)
n.

  1. The central or innermost part.

  2. The part of a nuclear reactor where fission occurs.

heart (härt)
n.

  1. The chambered, muscular organ in vertebrates that pumps blood received from the veins into the arteries, thereby maintaining the flow of blood through the entire circulatory system.

  2. A similarly functioning structure in invertebrates.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Computing Dictionary

core
1. Main memory or RAM. This term dates from the days of ferrite core memory; now archaic most places outside IBM, but also still used in the Unix community and by old-time hackers or those who would sound like them.
Some derived idioms are quite current; "in core", for example, means "in memory" (paged in, as opposed to "on disk", paged out), and both core dump and the "core image" or "core file" produced by one are terms in favour. Some varieties of Commonwealth hackish prefer store.
[The Jargon File]
(1995-03-03)
2. An integrated circuit design, usually for a microprocessor, which includes only the CPU and which is intended to form part of a complete circuit design which incorporates other circuits on the same chip such as cache, memory management unit, I/O ports and timers.
The ARM6, ARM7 and ARM8 are examples.
3. A varient on kernel as used to describe features built into a language as opposed to those provided by libraries.
(1995-03-03)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Idioms & Phrases

core

see rotten to the core.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Abbreviations & Acronyms
CORE
Congress of Racial Equality
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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