防ぼう止し剤ざい

noun

inhibitor; preventive agent

A substance or agent that prevents something, often used in technical or medical contexts (e.g., rust inhibitor, corrosion inhibitor).

• この塗と料りょうには錆さび防ぼう止し剤ざいが含ふくまれている。

  This paint contains a rust inhibitor.

• 冷れい却きゃく水すいに腐ふ食しょく防ぼう止し剤ざいを添てん加かする。

  Add a corrosion inhibitor to the cooling water.