• Webster's Revised Unabridged Dictionary
    • n Vulcanist A volcanist.
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Century Dictionary and Cyclopedia
    • n vulcanist In the early history of geological science, one who supported the Huttonian theory, or who was in opposition to the views of Werner. See Huttonian.
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Chambers's Twentieth Century Dictionary
    • Vulcanist a supporter of the Huttonian theory in geology which asserted the igneous origin of such rocks as basalt
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Chambers's Twentieth Century Dictionary
L. Vulcanus.


In literature:

But if the Vulcanists are to claim the Cavaliere Valsecca, may not the Diluvials also have a hearing?
"The Valley of Decision" by Edith Wharton
Lamarck must have taken much interest in the famous controversy between the Vulcanists and Neptunists.
"Lamarck, the Founder of Evolution" by Alpheus Spring Packard
The heretical Vulcanists were soon after openly assailed in England, by imputations of the most illiberal kind.
"Principles of Geology" by Charles Lyell
He was a Neptunist, as opposed to the Vulcanists or Plutonists, who believed in the existence of a central fiery mass.
"An Introduction to the History of Science" by Walter Libby