plural of volcanicity

plural of volcan

(transitive) To expose to volcanic heat.

By means of a volcano. / (figuratively) In a volcanic (explosive) manner.

The quality or state of being volcanic. / The level of power of a volcano.

(archaic) The quality or state of being volcanic, or of volcanic origin.

Archaic form of volcano.

(volcanology) Any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles

A volcanic rock.

Of or pertaining to a volcano or volcanoes / Produced by a volcano, or, more generally, by igneous agencies / Changed or affected by the heat of a volcano.