単たん成せい火か山ざん

noun

monogenetic volcano

A volcano formed by a single eruptive phase, as opposed to a polygenetic volcano. Technical term used in geology and volcanology.

See also: 複成火山

• 単たん成せい火か山ざんは一いち度どの噴ふん火かで形けい成せいされる。

  A monogenetic volcano is formed by a single eruption.

• この地ち域いきには多おおくの単たん成せい火か山ざんが分ぶん布ぷしている。

  Many monogenetic volcanoes are distributed in this region.