Coolant

Pronunciation: /ˈkuːlənt/

Coolant (noun)

  1. A liquid or gas used in a machine to take away heat and help it stay at the right temperature.
  2. A substance that moves through a system to carry heat from one place to another.

Examples

  • The coolant keeps the engine from overheating.
  • Coolant flows through the engine to absorb heat.