1. [ noun ] a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
Synonyms: crater vent
Related terms: crack eruption active
2. [ noun ] (geography) a mountain formed by volcanic material
Related terms: mountain Citlaltepetl Cotacachi Cotopaxi Colima Klyuchevskaya Etna Fuego Fuji Galeras Demavend Huainaputina Krakatau El_Misti Lascar Mauna_Kea Mauna_Loa Purace Sangay Tupungatito Mount_Saint_Helens Vesuvius Cameroon Guallatiri asama mount_pinatubo nyamuragira nyiragongo crater
Similar spelling:   volcanic