1. The power that produces volcanoes.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• colcanism,
• bolcanism,
• golcanism,
• folcanism,
• vilcanism,
• vklcanism,
• vllcanism,
• vplcanism,
• v0lcanism,
• volcannism,
• volkanism,
• vulcanism,
• mollinism,
• vatcianism,
• volcanian,
• volcanist,
• volcanityy,
• Volcanaty,
• voltazism,
• vulcanist

• volcanic,
• volcanology,
• volcano,
• volcanically.

The adjective form of the word "volcanism" is "volcanic".

The plural of the "volcanism" can be the "volcanisms".

The singular of the "volcanism" can be the "volcanism".