adjective
also vul·ca·ne·an |vəl|kānēən
Etymology: Latin Vulcani us of Vulcan (from Vulcanus Vulcan) + English -an
1. usually capitalized : of, relating to, or associated with the ancient god Vulcan or to working in iron or other metals
2.
a. : volcanic
b. : of or relating to a volcanic eruption in which highly viscous or solid lava is blown into fragments and dust