coolant

• Substância, geralmente um líquido, usada para reduzir ou regular a temperatura de um sistema ou dispositivo, como um motor ou um reator nuclear.

A substance, typically a fluid, used to reduce or regulate the temperature of a system or device, such as an engine or nuclear reactor.

1. Heat transfer fluidB2formaltechnical

   A fluid used to remove heat from a system or device, preventing overheating.

   Fluido refrigerante

   • The car's engine requires coolant to prevent overheating.
   • The nuclear reactor uses a special coolant to regulate temperature.
   • Check the coolant level in your radiator before a long trip.