volcanic UK /vɒlˈkænɪk/US /vɔlˈkænɪk/adjective 4noun 1forms 1 adjective4 •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. •(figurative) Reminiscent of a volcano; explosive, violent, full of suppressed anger, energy etc.Jo rose indignified, Vanessa following in her volcanic wake. — 1980 noun1 •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. formsvolcanics
