エアロゲル

noun

aerogel

A highly porous, lightweight solid material used in insulation, aerospace, and other advanced applications. Technical term from chemistry and materials science.

• エアロゲルは非ひ常じょうに軽かるくて断だん熱ねつ性せいが高たかい。

  Aerogel is extremely light and has high thermal insulation properties.