Word Study
volcanist
CIDE DICTIONARY
volcanist, n. [Cf. F. volcaniste, vulcaniste.].
- One versed in the history and phenomena of volcanoes. [1913 Webster]
- One who believes in the igneous, as opposed to the aqueous, origin of the rocks of the earth's crust; a vulcanist. Cf. Neptunist. [1913 Webster]
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