From Wiktionary, the free dictionary
Jump to navigation
Jump to search
English[edit]
Alternative forms[edit]
Etymology[edit]
From Vulcan + -ism.
Proper noun[edit]
Vulcanism
- (historical) The belief, held mostly in the 18th century, that rocks were formed in fire. It was a rival theory to Neptunism.
Synonyms[edit]
Related terms[edit]
