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Definition of “core” - English Dictionary

"core" in American English

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corenoun [C]

us   /kɔr, koʊr/
  • core noun [C] (FRUIT)

the hard, central part of some fruits, such as apples, which contains the seeds
  • core noun [C] (CENTER)

the center or most important part of something: Farmers formed the core of traditional party support. Safety concerns are at the core of the new federal policies.
earth science The core of the earth is its center, made up of a liquid inner core and a solid outer core.

coreadjective [not gradable]

us   /kɔr, koʊr/
central; basic: We want to appeal to our core supporters without turning off undecided voters. The notion of love is one of the core values of our civilization. We have to concentrate on the core business, management said.

coreverb [T]

us   /kɔr, koʊr/
  • core verb [T] (FRUIT)

to remove the core of fruit
(Definition of core from the Cambridge Academic Content Dictionary © Cambridge University Press)

"core" in British English

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uk   /kɔːr/ us   /kɔːr/
  • core noun (IMPORTANT PART)

C2 [S or U] the basic and most important part of something: The lack of government funding is at the core of the problem.

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  • core noun (CENTRE)

C2 [C] the hard central part of some fruits, such as apples, that contains the seeds: Don't throw your apple core on the floor!
[C] the centre of a planet: The earth's core is a hot, molten mix of iron and nickel.
[C] specialized physics The core of a nuclear reactor (= a device in which atoms are changed to produce energy) is the place where fission (= the dividing of atoms) happens.
[C] specialized anatomy the muscles around your pelvis, hips, and abdomen that you use in most body movements: These exercises are designed to strengthen your core.
[C] specialized geology a long, thin cylinder-shaped mass of material taken out of the earth for study


uk   /kɔːr/ us   /kɔːr/
  • core adjective (IMPORTANT)

most important or most basic: They are cutting back production of some of their core products.
core value, belief, issue, etc.
a value, belief, etc. that is basic and more important than any other: The final status negotiations would focus on the core issues of the peace process.
core business/operations/activities
the most important or largest part of a company's business activities: The company's core operations include entertainment and aviation.
core curriculum/subjects/courses
the most important parts of a course of study, that all students must learn
found in the main part of the body, but not the arms or the legs: Pilates is good for strengthening the core muscles.

coreverb [T]

uk   /kɔːr/ us   /kɔːr/
to remove the core from a piece of fruit: Peel and core the pears before cooking them.
(Definition of core from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"core" in Business English

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corenoun [C, usually singular]

uk   /kɔːr/ us  
the most important or most basic part of something: the core of sth The core of the bank's business is in Hong at the core of sth The internet is increasingly at the core of the telecoms business.

coreadjective [usually before noun]

uk   /kɔːr/ us  
most important: core activities/operationscore products/services They are cutting back production of some of their core products. core customers/workerscore values For a company to achieve a competitive advantage it is important to have core values and a clearly defined purpose. a core market/business
(Definition of core from the Cambridge Business English Dictionary © Cambridge University Press)
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“core” in Business English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
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May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

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