Standard Lemma guide

plutonism

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The old geological theory that the rocks forming the Earth were formed in fire by volcanic activity, with a continuing gradual process of weathering and erosion, then deposited on the sea bed, re-formed into layers of sedimentary rock by heat and pressure, and raised again.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Alternative letter-case form of plutonism.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Pluto + -ism, after the classical ruler of the underworld.

Across languages

Translations

9 source translations are retained for this English entry.

  • Catalan: plutonisme — scientific theory
  • French: plutonisme — scientific theory
  • Galician: plutonismo — scientific theory
  • Greek: πλουτωνισμός (ploutonismós) — scientific theory
  • Italian: plutonismo — scientific theory
  • Japanese: 火成論 (Kaseiron) — scientific theory
  • Japanese: 火成説 (Kaseisetsu) — scientific theory
  • Portuguese: plutonismo — scientific theory
  • Spanish: plutonismo — scientific theory