thermal grease
nounUK /ˈθɜː.məl ɡriːs/
US /ˈθɝː.məl ɡriːs/
A special goo that helps heat move from a computer chip to its cooler.
He put thermal grease on the chip before attaching the fan.
OTHER MEANINGS
2. A paste used to fill tiny gaps between two surfaces so heat passes through better.
The gap was filled with thermal grease for better heat flow.
3. A material used when building or repairing computers to stop them from getting too hot.
Always use fresh thermal grease when you reinstall the cooler.
4. A thick substance that conducts heat rather than electricity.
Thermal grease conducts heat but not electricity, so it is safe near circuits.