noun
- a liquid added to water in a car’s cooling system to prevent it from freezing in cold weather
Examples
- Make sure to check your antifreeze levels before winter arrives.
- The mechanic added antifreeze to the car’s radiator.
- Without antifreeze, the engine coolant could freeze and crack the engine block.
- Most antifreeze contains ethylene glycol as its main ingredient.
- She bought a gallon of antifreeze at the auto parts store.
- The bright green antifreeze leaked onto the garage floor.