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

Venus is known as the most volcanically active planet in our Solar System, with signs of volcanism first observed by the Magellan spacecraft in the early 1990s. — Elizabeth Rayne, ArsTechnica, 1 Oct. 2026

Such metals are commonly used as industrial catalysts today—and all occur in the minerals of hydrothermal vents, where a process called serpentinization converts igneous rocks from volcanism to metamorphic rocks. — Philip Ball, Scientific American, 20 Aug. 2026

That tidal flexing generates enormous internal heat, keeping parts of Io’s interior molten and driving its extraordinary volcanism. — Kaif Shaikh, Interesting Engineering, 11 Aug. 2026

Those insights could help scientists better understand ancient volcanism on Mars, Venus, and Earth's moon, whose landscapes were shaped by massive eruptions billions of years ago. — Samantha Mathewson, Space.com, 24 July 2026

Word History

First Known Use

1830, in the meaning defined above

Rhymes for volcanism

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