core

The part in the middle of something, especially the seed-filled middle of a fruit.

• Throw the apple core away.
• The pear has a hard core.
• She cut around the core to remove the seeds.

Similar words: centre, middle

Common phrases: apple core, core of something

The central or deepest part of a place or area.

• The city core is crowded.
• Scientists study the temperature of the Earth’s core.
• The forest’s core remains difficult to reach.

How to use it: the core of something (The core of the city contains its oldest buildings.)

Similar words: centre, middle

Common phrases: urban core, core of something

One processing unit inside a computer chip, which works with others to carry out tasks.

• This chip has eight cores.
• Each core handles a separate task.
• More cores can help the computer run several programs.

Similar words: processing unit

Common phrases: processor core, cpu core, single core

To remove the middle part containing seeds from a fruit.

• Core the apples first.
• She peeled and cored the pears.
• Do I need to core this fruit before baking it?

Common phrases: core an apple, core the pears