Webster's Revised Unabridged Dictionary · 1913

Vulcanian

Vulcanian , adjective

[Latin Vulcanius.]

1.
Of or pertaining to Vulcan; made by Vulcan; hence, of or pertaining to works in iron or other metals.
Ingenious allusions to the Vulcanian panoply which Achilles lent to his feebler friend. — Macaulay
2.
(Geology) Volcanic.