vulcanism

V4U1L1C3A1N1I1S1M3

proper noun

The belief, held mostly in the 18th century, that rocks were formed in fire. It was a rival theory to Neptunism.

Similar
Plutonism
Scrabble 16
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Meanings

vulcanism1

nounvulcanism (plural vulcanisms)

plural vulcanisms

  1. alternativeAlternative spelling of Vulcanism (“historical scientific view”).
  2. alternativeAlternative spelling of volcanism (“volcanic activity”).

Vulcanism2

proper noun

alternative volcanism · alternative vulcanism

  1. historicalThe belief, held mostly in the 18th century, that rocks were formed in fire. It was a rival theory to Neptunism.

    Synonyms: Plutonism

Synonyms & antonyms

proper nounThe belief, held mostly in the 18th century, that rocks were formed in fire. It was a rival theory to Neptunism.

Similar
Plutonism
Also see
plutonism

Origin

From Vulcan + -ism.

Full word history & related roots →
Cite this entry
APA

vulcanism. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/vulcanism

MLA

“vulcanism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vulcanism. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “vulcanism,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/vulcanism.

Source: vulcanism on Wiktionary, CC BY-SA 4.0.