insulation

断熱材、絶縁材

熱や電気が通り抜けるのを防ぐ材料。

やさしい英語で： Material that stops heat or electricity from passing through something.

• We put insulation in the roof.
• The wire’s insulation was damaged.
• Workers installed thick insulation between the walls.

類義語： insulating material

よく使う表現： roof insulation, foam insulation, install insulation, insulation material

断熱、絶縁、防音

熱、音、電気が物と物の間を伝わるのを防ぐこと。

やさしい英語で： The process of stopping heat, sound, or electricity from passing between things.

• Good insulation keeps heat inside.
• The room needs better insulation against sound.
• Electrical insulation prevents current from reaching the metal case.

使い方： insulation against something (The new walls provide better insulation against noise.)

よく使う表現： thermal insulation, sound insulation, electrical insulation, improve insulation