volcanism

American  

[vol-kuh-niz-uhm] / ˈvɒl kəˌnɪz əm /

noun

Geology.

1. the phenomena connected with volcanoes and volcanic activity.

---

volcanism British  

/ ˈvɒlkəˌnɪzəm /

noun

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

---

Etymology

Origin of volcanism

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

Example Sentences

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

From Salon • Feb. 3, 2025

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 • Dec. 2, 2024

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

From New York Times • May 27, 2024

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.

From Science Daily • Apr. 8, 2024

We may truly characterize the earth's volcanism as being qualitatively sulphurous.

From Man or Matter by Lehrs, Ernst