冷れい却きゃく材ざい

noun

coolant

Technical term primarily used for coolant in nuclear reactors; also applicable to other industrial cooling contexts.

• 原げん子し炉ろでは冷れい却きゃく材ざいとして水みずや液えき体たいナトリウムが使つかわれる。

  In nuclear reactors, water or liquid sodium is used as a coolant.