弧こ状じょう列れっ島とう

noun

island arc; crescent-shaped archipelago

Geographical term for a chain of islands formed in an arc shape, often used in geology and geography.

• 日本にほん列れっ島とうは弧こ状じょう列れっ島とうの一ひとつである。

  The Japanese archipelago is one example of an island arc.