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vulcanism

American  
[vuhl-kuh-niz-uhm] / ˈvʌl kəˌnɪz əm /

noun

Geology.
  1. volcanism.


vulcanism British  
/ ˈvʌlkəˌnɪzəm /

noun

  1. a variant of volcanism

"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

Other Word Forms

Derived Forms

Etymology

Origin of vulcanism

First recorded in 1875–80; variant of volcanism

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Yellowstone's near future is the Utah of today, with vulcanism.

From New York Times • Nov. 15, 2018

We were five to six thousand feet above sea level now, on a high plateau full of the evidences of recent mountain-building and vulcanism; we were in the Fire-Hills of the Sembensyen Range.

From "The Left Hand of Darkness" by Ursula K. Le Guin

No geological evidence supports the idea of an unusual frequency of vulcanism or floods 3,500 years ago.

From "Cosmos" by Carl Sagan

It also caused, he said, extensive vulcanism and floods.*

From "Cosmos" by Carl Sagan

Closely related to this phase of vulcanism is the injection of molten material into the earth's crust from below, so as to force its way between stratified beds and produce intruded sheets.

From North America by Russell, Israel C. (Cook)

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