cpucore

noun
UK /ˌsiː.piːˈjuː kɔː/
US /ˌsiː.piːˈjuː kɔːr/

A CPU core is a small part inside a computer's brain that does the thinking work.

My new laptop has four CPU cores, so it can do many things at once.


OTHER MEANINGS

2. One of the independent processing units inside a single computer chip.

The chip packs eight CPU cores into a tiny square.

3. A single worker inside a computer that handles one task at a time.

Each CPU core took a different job, so the program finished faster.

4. The part of a processor that actually runs instructions.

More CPU cores can help when many apps are open at once.