Artificial intelligent assistant

volcanity

volˈcanity rare.
  [f. volcan-ic a. + -ity. Cf. volcanicity.]
  a. Volcanic nature, quality, or character. b. Volcanic phenomena; volcanicity.

1796 Kirwan Elem. Min. (ed. 2) I. 433 Their volcanity is..established by their colour, grain, and the scoriæ,..that accompany them. 1892 Literary World 22 July 70/1 Some such work..in which the general principles of Volcanity can be studied.

Oxford English Dictionary

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