Pertaining to one or more volcanoes, surface features of the Earth that allow magma, ash and gas to erupt. The vent can be a fissure or a conical structure.

1774, from French volcanique, from Italian vulcanico, from vulcano (see volcano). Figurative sense of "prone to explosive activity" is attested from 1854.

Having originated from a volcano.

having to do with volcanoes.

adj. Describes the action or process of magma and gases rising to the crust and being extruded onto the surface and into the atmosphere; also applies to the resulting igneous rocks that cool on the su [..]

(adj) relating to or produced by or consisting of volcanoes(adj) explosively unstable(adj) igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or [..]

Igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt.

Having originated from a volcano.

Igneous rocks formed from magma that has flowed out or has been violently ejected from a volcano.

Rock derived from volcanic activity - Usually lavas, tuffs or other volcanic debris.

Pertaining to the activities, structures, or rock types of a volcano.

(geology,planetology) of or pertaining to a volcano or volcanoes ''volcanic heat.'' ''volcanic activity.'' (geology,planetology) produced by a volcano, or, more generally, by igneous agencies ' [..]