RhymeZone: vulcanian definitions

Definitions of Vulcanian:

adjective: Of or pertaining to the god Vulcan.
adjective: Of or pertaining to working in iron or other metals.
adjective: (geology, archaic) volcanic.
adjective: Of or pertaining to the hypothetical Solar System planet Vulcan or proposed asteroid belt in the same orbit about the Sun.

(Definitions from Wiktionary)