plutonism
plutonism noun: 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.
Noun (1)
plutonism (countable and uncountable, plural plutonisms)
Noun (2) capitalized: Plutonism
Plutonism (uncountable)
- Alternative letter-case form of plutonism.
Synonyms of plutonism
Forms of plutonism
| plural | plutonisms |
|---|---|
| alternative form | Plutonism |
Origin of plutonism
From Pluto + -ism, after the classical ruler of the underworld.
Questions about plutonism
- What does plutonism mean?
- Plutonism means 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.
- What part of speech is plutonism?
- Plutonism is a noun.
- What is the plural of plutonism?
- The plural of plutonism is plutonisms.
Words near plutonism in the dictionary
Source and license
Adapted from Wiktionary: plutonism (page history and authors); Plutonism (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “plutonism.” Word.ws, https://word.ws/plutonism. Based on Wiktionary, CC BY-SA 4.0.