死し火か山ざん

noun

extinct volcano

A volcano that is not expected to erupt again. In geology, the term is sometimes replaced by more precise classifications, but it remains common in everyday use.

• 富ふ士じ山さんは死し火か山ざんではなく休きゅう火か山ざんです。

  Mt. Fuji is not an extinct volcano but a dormant one.

• この島しまには死し火か山ざんがいくつかある。

  There are several extinct volcanoes on this island.