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.
