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core
1 core /ˈkoɚ/ noun
plural cores
1 core
/ˈkoɚ/
noun
plural cores
Learner's definition of CORE
[count]
1 
: the central part of a fruit (such as an apple) that contains the seeds果心；果核
— see color picture on this page
2 
: the central part of something中心部分
3 
: the most important or basic part of something最重要的部分；核心；要点
— see also hard core
4 
technical : a part that has been removed from a material for scientific study芯体
5 
technical : the place in a nuclear reactor where the reaction takes place（核反应堆的）活性区

to the core

: in a very complete or extreme way — used for emphasis十足，透顶（用于强调）
2 core /ˈkoɚ/ adjective
2 core
/ˈkoɚ/
adjective
Learner's definition of CORE
always used before a noun
1 
: most important or most basic核心的；主要的
2 
: of or relating to the classes that all the students in a school are required to take or the skills that all students are required to learn基础的；必修的
3 core /ˈkoɚ/ verb
cores; cored; coring
3 core
/ˈkoɚ/
verb
cores; cored; coring
Learner's definition of CORE
[+ object]
: to remove a core from (a fruit)去果心；去核

— corer

noun, plural corers [count]

core

1 of 4

noun (1)

ˈkȯr How to pronounce core (audio)
plural cores
often attributive
1
: a central and often foundational part usually distinct from the enveloping part by a difference in nature
the core of the city
: such as
a
: the usually inedible central part of some fruits (such as a pineapple)
especially : the papery or leathery carpels composing the ripened ovary in a pome fruit (such as an apple)
b
: the muscles of the mid-region of the torso
Your core is composed of the muscles that stabilize and move your pelvis, lower back, hips, and trunk. Adele Jackson-Gibson
core muscles/strength
core exercises
c
: the place in a nuclear reactor where fission (see fission entry 1 sense 3) occurs
d
: an arrangement of a course of studies that combines under basic topics material from subjects conventionally separated and aims to provide a common background for all students
core curriculum
e
: the portion of a foundry mold that shapes the interior of a hollow casting
f
: a vertical space (as for elevator shafts, stairways, or plumbing apparatus) in a multistory building
g(1)
: a computer memory consisting of an array of cores strung on fine wires
broadly : the internal memory of a computer
(2)
: a tiny doughnut-shaped piece of magnetic material (such as ferrite) used in computer memories
(3)
: a mass of iron serving to concentrate and intensify the magnetic field resulting from a current in a surrounding coil
h
: the central part of a celestial body (such as the earth or sun) usually having different physical properties from the surrounding parts
i
: a nodule of stone (such as flint or obsidian) from which flakes have been struck for making implements
j
: the conducting wire with its insulation in an electric cable
2
a
: a basic, essential, or enduring part (as of an individual, a class, or an entity)
the staff had a core of experts
the core of her beliefs
b
: the essential meaning : gist
the core of the argument
c
: the inmost or most intimate part
honest to the core
3
: a part (such as a thin cylinder of material) removed from the interior of a mass especially to determine composition

core

2 of 4

verb

cored; coring

transitive verb

: to remove a core (see core entry 1 sense 1a) from
core an apple
corer noun

core

3 of 4

noun (2)

chiefly Scotland
: a group of people

CORE

4 of 4

abbreviation

ˈkȯr How to pronounce CORE (audio)
Congress of Racial Equality

Synonyms

Noun (1)

Word History

Etymology

Noun (1)

Middle English, of obscure origin

Verb

Middle English coren, derivative of core core entry 1

Noun (2)

perhaps by respelling of Middle English chore "chorus, company," borrowed from Latin chorus — more at chorus entry 1

First Known Use

Noun (1)

14th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined above

Noun (2)

1622, in the meaning defined above

Time Traveler
The first known use of core was in the 14th century

Phrases Containing core

See More
core

noun

ADJECTIVE | VERB + CORE | PREPOSITION | PHRASES ADJECTIVE➤hollow空心◇Each fibre / fiber has a hollow core.每根纖維都是空心的。➤dense, solid, strong實心▸➤copper, iron, etc.銅芯、鐵芯等▸➤reactor反應堆活性區◇nuclear reactor cores核反應堆活性區➤central, essential, inner, innermost, very中心；核心；內核◇This is seen as the central core of the government's policy.這被認為是政府政策的核心。◇A new spirit welled up from the very core of the nation.這個民族的中堅分子中湧現出一種新的精神。➤outer外核▸➤common共同核心◇a common core of shared understanding相同理解的共同核心➤hard堅強核心◇A hard core of supporters gathered to see the star arrive.支持者中的中堅分子聚集在一起一睹這位明星的到來。◇hard-core party members黨員中的中堅分子➤emotional情感核心◇the emotional core of her music她的音樂的情感核心VERB + CORE➤form, make up形成／構成核心◇These ideas formed the core of his philosophy.這些思想構成了他哲學體系的核心。➤surround圍繞核心▸➤get to觸及核心◇We want to get to the core of the problem.我們想談談這個問題的核心。PREPOSITION➤at sth's core在⋯的中心◇At the core of our convictions is belief in individual liberty.我們信仰的核心就是相信個人自由。➤to the core徹底地；十足◇She was shaken to the core by the news.這消息令她十分震驚。◇He's a politician to the core (= in all his attitudes, beliefs and actions).他是個徹頭徹尾的政客。PHRASES➤the earth's core地核◇heat from the earth's core來自地核的熱量

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