volcanism

As nouns the difference between magmatism and volcanism

is that magmatism is the flow of magma while volcanism is any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles.

As nouns the difference between volcanism and plutonism

is that volcanism is any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles while plutonism is 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.

Volcanisty is often a misspelling of volcanism.

Volcanisty has no English definition.

As a noun volcanism

is any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles.

As nouns the difference between volcanism and vulcanist

is that volcanism is (volcanology) any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles while vulcanist is someone interested in volcanism, the study of volcanoes.