Artificial intelligent assistant

volcanean

volˈcanean, a. rare—1.
  [Cf. volcanist.]
  Maintaining the igneous origin of certain geological formations.

1852 Th. Ross tr. Humboldt's Trav. I. i. 36 A mountain in Saxony,..celebrated on account of the disputes of volcanean and neptunean geologists.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 72001bb1528935e3bd729b6a737e8998