a. rare. [f. VOLCAN-O sb. + -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.
