volcanism

noun

vol·​ca·​nism ˈväl-kə-ˌni-zəm 

ˈvȯl-

: volcanic action or activity

Examples of volcanism in a Sentence

Recent Examples on the Web

For example, the presence of basalt would imply their materials came from the surface of Mars, where there has been extensive volcanism in the past. —Keith Cooper, Space.com, 13 Mar. 2025

That means that volcanism on the far side must also be relatively recent, certainly in the past billion years, otherwise the wrinkle ridges would have formed much earlier. —Keith Cooper, Space.com, 3 Feb. 2025

Moon rocks found in Antarctica include tiny amounts of gas that may have come from Earth If true, then this geologically recent volcanic and tectonic activity means that the moon is still contracting as heat slowly leaks out from its interior, and that volcanism might still be happening today. —Keith Cooper, Space.com, 3 Feb. 2025

But almost simultaneously, intense volcanism covered a vast area of the Indian subcontinent with over 2 kilometers thick lava flows. —David Bressan, Forbes, 23 Dec. 2024

Word History

First Known Use

1830, in the meaning defined above

Rhymes for volcanism

• autism
• fascism
• racism
• sikhism
• statism
• sufism
• thomism
• tourism
• tropism
• abolitionism
• aldosteronism
• americanism