Adjective: volcanic vól'ka-nik
- Relating to or produced by or consisting of volcanoes
"a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions"; "volcanic steam"; "volcanic islands such as Iceland"
- (geology) having igneous rock produced by eruption and that solidified on or near the earth's surface
"volcanic rock includes the volcanic glass obsidian"
- Explosively unstable
"a volcanic temper"
Encyclopedia: Volcanic