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volcanism

 - 2 dictionary results

vol⋅can⋅ism

  [vol-kuh-niz-uhm]
Use volcanism in a Sentence
–noun Geology.
the phenomena connected with volcanoes and volcanic activity.
Also, vulcanism.

Origin:
1865–70; volcan(o) + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To volcanism
vol·ca·nism   (vŏl'kə-nĭz'əm)   
n.  

  1. Volcanic force or activity.

  2. The phenomena associated with volcanic activity.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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