vol·​ca·​nism | \ ˈväl-kə-ˌni-zəm How to pronounce volcanism (audio) , ˈvȯl- \

Definition of volcanism

: volcanic action or activity

Examples of volcanism in a Sentence

Recent Examples on the Web But Burgos and her colleagues found that various regions have differing degrees of under-recording, often influenced by historical events such as colonization, submarine volcanism, remoteness, and the level of human development, among other factors. Shel Evergreen, Ars Technica, 31 Jan. 2022 The Moon is much smaller than Earth, losing its internal heat - driving volcanism on the surface - at a much faster rate. David Bressan, Forbes, 10 Oct. 2021 The priorities included exploring Mars rocks, liquid methane rain on Saturn’s moon Titan, volcanism within Venus, oceans on Jupiter’s icy moon Europa, and more. Manasee Wagh, Popular Mechanics, 20 Apr. 2022 That plume would have carried certain materials to the moon’s nearside, fueling the volcanism that created the volcanic plains. Katie Hunt, CNN, 11 Apr. 2022 But Saturn’s ultraviolet and infrared auroras fueled by ice volcanism? Robin Andrews, Wired, 22 Feb. 2022 While Pluto has a rocky core, scientists have long believed that the planet lacked much interior heating, which is needed to spur volcanism. Ashley Strickland, CNN, 29 Mar. 2022 Instead, most of its plasma comes from icy volcanism on Enceladus, a gelid moon that erupts water-ice slush from deep crevasses around its south pole. Robin Andrews, Wired, 22 Feb. 2022 In addition, the WISPR images will help to better understand the planet's geology and mineral composition and its evolution, including whether volcanism played a role in creating its dense atmosphere. Julia Musto, Fox News, 11 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'volcanism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of volcanism

1830, in the meaning defined above

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Time Traveler for volcanism

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The first known use of volcanism was in 1830

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Dictionary Entries Near volcanism

volcanic wind



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Statistics for volcanism

Last Updated

18 Jun 2022

Cite this Entry

“Volcanism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volcanism. Accessed 9 Aug. 2022.

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More from Merriam-Webster on volcanism

Britannica English: Translation of volcanism for Arabic Speakers

Britannica.com: Encyclopedia article about volcanism


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