火か山ざん円えん錐すい丘きゅうかざんえんすいきゅうMeanings1nounvolcanic coneGeological term for a cone-shaped hill or mountain formed by volcanic material around a vent.富ふ士じ山さんは典てん型けい的てきな火か山ざん円えん錐すい丘きゅうの一ひとつです。