花か綵さい列れっ島とう

noun

island arc

Geographical term for a curved chain of volcanic islands, typically formed at convergent plate boundaries. The gloss mentions the Aleutian Islands as a typical example.

• 花か綵さい列れっ島とうは、プレートの沈しずみ込こみ帯たいに沿そって形けい成せいされる。

  Island arcs are formed along subduction zones of tectonic plates.