core

core1 [ kɔr ] noun count **

1. ) the most important or most basic part of something:

core of: These 2,500 words form the core of the language.

at the core of something: Financial instability lies at the core of the institute's problems.

a ) the members of a group who do the most work or support it most strongly: NUCLEUS:

core of: Females comprise the core of the monkeys' social unit.

2. ) the part inside an object that is nearest its center:

The ball has a core of hard rubber.

a ) the central part of a fruit such as an apple, containing the seeds

b ) the central part of a planet:

the Earth's core

c ) the central part of a nuclear REACTOR

to the core

1. ) used for emphasizing that an aspect of someone's character is very strong and will not change:

She's a feminist to the core.

2. ) shaken/shocked/thrilled to the core MAINLY BRITISH very surprised, upset, or excited by something

core

core 2 [ kɔr ] adjective *

most important or most basic:

We need to focus on our core activities.

core to: The computer network is core to our operations.

core business (=a company's main business activity): Selling insurance is still our core business.

a. used for describing the most important members of a group:

2,000 students joined the core group of activists on the march.

b. core values/beliefs the most important beliefs of a person or group

c. core curriculum the most important and basic subjects that all school students must study

core

core 3 [ kɔr ] verb transitive

to take the center out of a piece of fruit such as an apple