volcanism

== English == === Alternative forms === vulcanism === Etymology === From French volcanisme, from volcan (“volcano”); and/or directly from volcan(o) +‎ -ism. === Pronunciation === === Noun === volcanism (countable and uncountable, plural volcanisms) (volcanology) Any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles Synonym: volcanicity Hyponym: cryovolcanism ==== Derived terms ==== ==== Related terms ==== volcanology ==== Translations ==== === Further reading === volcanism on Wikipedia.Wikipedia