Definitions for volcanismˈvɒl kəˌnɪz əm
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Random House Webster's College Dictionary
vol•can•ismˈvɒl kəˌnɪz əm(n.)
also vulcanism
the phenomena connected with volcanoes and volcanic activity.
Category: Geology
Origin of volcanism:
1865–70
Princeton's WordNet
volcanism(noun)
the phenomena associated with volcanic activity
Wiktionary
volcanism(Noun)
Any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles
Origin: volcano + -ism
Webster Dictionary
Volcanism(noun)
volcanic power or action; volcanicity
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