火か山ざん島とう

noun

volcanic island

Refers to an island formed by volcanic activity. Used in geography and everyday contexts.

• ハワイは火か山ざん島とうです。

  Hawaii is a volcanic island.

• この火か山ざん島とうは約やく100ひゃく万まん年ねん前まえにできた。

  This volcanic island was formed about one million years ago.