- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Volcanist \Vol"can*ist\, n. [Cf. F. volcaniste, vulcaniste.] 1. One versed in the history and phenomena of volcanoes. [1913 Webster] 2. 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]