volcanism

[ vol-kuh-niz-uhm ]

nounGeology.
  1. the phenomena connected with volcanoes and volcanic activity.

Origin of volcanism

1
First recorded in 1865–70; volcan(o) + -ism

Words Nearby volcanism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use volcanism in a sentence

  • Volcanoes and volcanism are not restricted to the planet Earth.

    Volcanoes | Robert I. Tilling
  • Lassen Peak, some wise men believe, is the last exhibit of activity in the dying volcanism of the Cascade Mountains.

    The Book of the National Parks | Robert Sterling Yard
  • Thus, active volcanism is taking place, at present, on at least one planetary body in addition to our Earth.

    Volcanoes | Robert I. Tilling

British Dictionary definitions for volcanism

volcanism

vulcanism

/ (ˈvɒlkəˌnɪzəm) /


noun
  1. those processes collectively that result in the formation of volcanoes and their products

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