凍とう結けつ防ぼう止し剤ざい

noun

antifreeze; de-icing agent

Used for substances that prevent freezing, especially in automotive contexts (engine coolant) and on roads (de-icing chemicals).

• 冬ふゆの間あいだは、車くるまに凍とう結けつ防ぼう止し剤ざいを入いれておく必ひつ要ようがある。

  During winter, you need to put antifreeze in your car.

• 道どう路ろの凍とう結けつ防ぼう止し剤ざいとして塩えん化かカルシウムが使つかわれる。

  Calcium chloride is used as a de-icing agent on roads.