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Webster 1913 Edition

Noun.

[Cf. F.

volcaniste

vulcaniste

One versed in the history and phenomena of volcanoes.

One who believes in the igneous, as opposed to the aqueous, origin of the rocks of the earth’s crust; a vulcanist. Cf.

Noun.

[from volcano.]

One versed in the history and phenomena of volcanoes.

One who believes in the effects of eruptions of fire in the formation of mountains.

volcanist ‎(plural volcanists)

(volcanology) Someone interested in volcanism and volcanology the study of volcanoes.