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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

  • vulcanist noun

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

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

From "Cosmos" by Carl Sagan

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

From "Cosmos" by Carl Sagan

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

I don't know how you can tell on your planet when quakes or vulcanism are going to start, machines maybe.

From Deathworld by Dongen, H. R. van