スチロール樹じゅ脂し

noun

polystyrene resin

Technical term for polystyrene, a common plastic used in packaging, insulation, and consumer products.

• スチロール樹じゅ脂しは断だん熱ねつ材ざいとしてよく使つかわれる。

  Polystyrene resin is often used as insulation material.