[ vol-kan-ik ]
/ vɒlˈkæn ɪk /


of or relating to a volcano: a volcanic eruption.
discharged from or produced by volcanoes: volcanic mud.
characterized by the presence of volcanoes: a volcanic area.
suggestive of or resembling a volcano; potentially explosive; volatile: a volcanic temper.

Origin of volcanic

1765–75; volcan(o) + -ic; compare French volcanique

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for volcanicity


/ (vɒlˈkænɪk) /


of, relating to, produced by, or characterized by the presence of volcanoesa volcanic region
suggestive of or resembling an erupting volcanoa volcanic era
another word for extrusive (def. 2)

Derived Forms

volcanically, adverbvolcanicity (ˌvɒlkəˈnɪsɪtɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012