MEANING: adjective:
1. Relating to volcanoes.
2. Fiery; explosive; full of anger, energy, etc.

ETYMOLOGY: After Vulcan, the god of fire and metalworking in Roman mythology. The word vulcanize is also coined after him. Earliest documented use: 1660. The word vulcanic is also spelled as volcanic.

VULCAN - ICK ! - response of someone who finds Spock and his ilk to be repulsive

SULCANIC - full of grooves and furrows

VULPANIC - a stampede of foxes