火山岩 Traditional form: 火山岩 Pinyin (reading): huǒshānyán Definitions: volcanic rock Characters: 火 - fire, flame; to burn; anger, rage 山 - mountain, hill, peak 岩 - cliff; rocks; mountain Traditional characters: 火 - fire, flame; to burn; anger, rage 山 - mountain, hill, peak 岩 - cliff; rocks; mountain