heatsink
nounUK /ˈhiːt.sɪŋk/
US /ˈhiːt.sɪŋk/
A heatsink is a piece of metal that takes heat away from things like computer chips so they do not get too hot.
The computer's processor has a big heatsink on top to keep it cool.
RELATED WORDS
OTHER MEANINGS
2. A device with fins that pulls heat away from electronic parts.
He screwed the heatsink onto the motherboard.
3. Any material or structure that absorbs and carries away extra heat.
The car's engine uses a heatsink to shed heat.
4. In physics, a place where heat energy flows and is stored.
The ocean acts as a heatsink for the planet.