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volcanism

[ vol-kuh-niz-uhm ]

noun

, Geology.
  1. the phenomena connected with volcanoes and volcanic activity.


volcanism

/ 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


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Word History and Origins

Origin of volcanism1

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

“Iceland is essentially one of the best places in the world to study this … because we have both volcanism and glaciers,” volcanologist Michelle Parks of the Icelandic Meteorological Office told Reuters.

From Salon

"What's remarkable is that Mars' volcanism has incredible similarities, but also differences, to Earth," said Day.

To better understand its volcanism, scientists hoped to catch a Venusian eruption in the act.

However, exactly how volcanism led to the collapse of ecosystems and the extinction of entire families of organisms is difficult to establish.

Based on these cross-cutting relationships, the authors suggest that the ilmenite-rich layer sank prior to 4.22 billion years ago, which is consistent with it contributing to later volcanism seen on the lunar surface.

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