包ほう接せつ水すい和わ物ぶつ

noun

clathrate hydrate

Technical term in chemistry for a crystalline water-based solid physically resembling ice, in which small non-polar molecules are trapped inside 'cages' of hydrogen-bonded water molecules.

• メタンハイドレートは包ほう接せつ水すい和わ物ぶつの一いっ種しゅである。

  Methane hydrate is a type of clathrate hydrate.