core Meaning, definition in Cambridge English Dictionary
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Meaning of "core" - English Dictionary

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corenoun

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, which 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 geology a long, thin cylinder-shaped mass of material taken out of the Earth for study

coreadjective

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, which it depends on in order to continue trading: 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 do found in the main part of the body, without the arms and 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)
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