lava dome

Noun

 * 1)  A roughly circular mound-shaped bulge that builds up from the slow eruption of viscous felsic lava from a volcano.

Translations

 * Chinese:
 * Mandarin: 火山穹丘
 * Georgian: ვულკანური გუმბათი, ლავის გუმბათი
 * German: Lavadom
 * Spanish: domo de lava, domo tapón