a substance of low freezing point added to a liquid, esp. to the water in the radiator of an automobile or to gasoline in the tank, to prevent freezing
A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point.
(countable and uncountable, plural antifreezes)
- The plural form antifreezes is used only if more than one kind of antifreeze is meant.