Volcanism

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles countable, uncountable

    "This rejuvenation-stage or post-erosional volcanism produces lava even more alkalic than late-stage volcanism."

  2. 2
    the phenomena associated with volcanic activity wordnet

Synonyms

All synonyms
volcanicityvolcanicity

Example

More examples

"The surface of Mercury has been shaped by three processes: impact cratering where large objects struck the surface resulting in crater formation, volcanism where lava flooded the surface, and tectonic activity where the planet's crust moved in order to adjust to the planetary cooling and contracting."

Etymology

From French volcanisme, from volcan (“volcano”); and/or directly from volcan(o) + -ism.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.