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volcanism

[ vol-kuh-niz-uhm ]
/ ˈvɒl kəˌnɪz əm /
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noun Geology.
the phenomena connected with volcanoes and volcanic activity.
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Also vulcanism.

Origin of volcanism

First recorded in 1865–70; volcan(o) + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use volcanism in a sentence

British Dictionary definitions for volcanism

volcanism

vulcanism

/ (ˈvɒlkəˌnɪzəm) /

noun
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
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