volcanism

American  

[vol-kuh-niz-uhm] / ˈvɒl kəˌnɪz əm /

noun

Geology.

1. the phenomena connected with volcanoes and volcanic activity.

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volcanism British  

/ ˈvɒlkəˌnɪzəm /

noun

1. those processes collectively that result in the formation of volcanoes and their products

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Etymology

Origin of volcanism

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

Example Sentences

With this discovery, Milos stands out as one of the most important natural sites in the Mediterranean for exploring how tectonics, volcanism, and hydrothermal processes interact beneath the sea.

From Science Daily

Notably, this happened without the presence of a deep mantle plume, challenging long-held assumptions about the source of such volcanism.

From Science Daily

“The intriguing feature could improve our understanding of volcanism not only on Io but on other worlds as well.”

From Salon

But if many erupted, he says, a feedback loop could take hold, with ice loss leading to more volcanism, and more eruptions to more ice loss and consequent sea-level rise.

From Science Magazine

“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