The quality or state of being volcanic. / The level of power of a volcano.

Equipment used for the vulcanization of rubber. / A substance (such as sulfur) added to rubber during this process. / A person employed to vulcanize rubber.

plural of vulcanizer

(historical) The belief, held mostly in the 18th century, that rocks were formed in fire. It was a rival theory to Neptunism.

plural of vulcanicity

Of, pertaining to, or resembling the Roman god Vulcan.

plural of Vulcan

Alternative spelling of volcanic / Fiery.

Alternative spelling of Vulcanism (“historical scientific view”) / Alternative spelling of volcanism (“volcanic activity”)

(Roman mythology) The god of volcanoes and fire, especially the forge, also the patron of all craftsmen, principally blacksmiths. The Roman counterpart of Hephaestus.