Artificial intelligent assistant

volcanian

volˈcanian, a. rare.
  [f. volcan-o n. + -ian. Cf. vulcanian a.]
  Of or pertaining to, resembling that of, a volcano.

1820 Keats Lamia i. 155 A deep volcanian yellow took the place Of all her milder-mooned body's grace. 1869 J. Phillips Vesuv. viii. 203 This safety-valve for the volcanian pressure.

Oxford English Dictionary

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