Core | Mean of core in English Dictionary

/ˈkoɚ/

• Noun
• the central part of a fruit (such as an apple) that contains the seeds
1. an apple core
• the central part of something
1. the core of a golf ball
2. The pads have a foam core.
3. the engine core
4. the core of the galaxy
5. The Earth's core is very different from its crust.
6. the urban core [=the central part of a city]
• the most important or basic part of something
1. Lack of money is the core of the problem.
2. The core of the government's plan is to provide loans for small businesses.
3. voters who form the core of the party
4. The economy is at the very core of this year's election.

• a part that has been removed from a material for scientific study
1. took a core sample of rock
2. an ice core from the glacier
• the place in a nuclear reactor where the reaction takes place
1. the reactor core
• in a very complete or extreme way
1. He is patriotic to the core. [=he is extremely patriotic]
2. Her family is English to the core.
3. He's rotten to the core. [=he's a very bad/dishonest person]
4. They were shaken to the core. [=extremely shaken/upset]
• most important or most basic
1. The company's core business is lending money.
2. Stealing would go against his core beliefs. [=his basic principles]
3. the core responsibilities of the police force
4. the core vocabulary of a language
• 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
1. the core curriculum
2. core courses/subjects
• Verb
• to remove a core from (a fruit)
1. core an apple