防ぼう腐ふ剤ざい

noun

antiseptic

A substance that prevents infection or decay, often used in medical or hygiene contexts.

• 傷きず口ぐちに防ぼう腐ふ剤ざいを塗ぬってください。

  Please apply antiseptic to the wound.

noun

preservative

A substance added to food, wood, or other materials to prevent spoilage or decay.

• この食しょく品ひんには防ぼう腐ふ剤ざいが使つかわれていない。

  This food contains no preservatives.