volcanic

1. 1

   Of or pertaining to a volcano or volcanoes.not-comparable

   • volcanic heat
   • volcanic activity
2. 2

   Produced by a volcano, or, more generally, by igneous agencies.not-comparable

   • volcanic tufa
   • volcanic ash
3. 3

   Changed or affected by the heat of a volcano.not-comparable

4. 4

   Reminiscent of a volcano; explosive, violent, full of suppressed anger, energy etc.figurativelynot-comparable

   • Jo rose indignified, Vanessa following in her volcanic wake.
   • With that the system was complete, and ready to have its disastrous effect on Martin Luther's volcanic temper.

syn. volcanian · Vulcanian

1. 1

   A volcanic rock.

   • The Ellesmere Island Volcanics are a Late Cretaceous volcanic group of volcanoes and lava flows in the Qikiqtaaluk Region of northern Ellesmere Island, Nunavut, Canada.