Meaning of COOLANT in English
Liquid in the cooling system . Usually a mixture of water and antifreeze (ethylene glycol). This mixture lowers the freezing point of the water in the cooling system , prevents rust and corrosion, lubricates the water pump , and picks up heat from the engine and transfers it to the air passing through the radiator .
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012