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Vulcanism
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See also:
vulcanism
Contents
1
English
1.1
Alternative forms
1.2
Etymology
1.3
Proper noun
1.3.1
Synonyms
1.3.2
Related terms
English
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Alternative forms
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volcanism
vulcanism
Etymology
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From
Vulcan
+
-ism
.
Proper noun
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Vulcanism
(
historical
)
The belief, held mostly in the 18th century, that rocks were formed in fire. It was a rival theory to
Neptunism
.
Synonyms
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Plutonism
Related terms
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Vulcanist
