安山岩 Traditional form: 安山岩 Pinyin (reading): ānshānyán Definitions: andesite (geology) Characters: 安 - peaceful, tranquil, quiet 山 - mountain, hill, peak 岩 - cliff; rocks; mountain Traditional characters: 安 - peaceful, tranquil, quiet 山 - mountain, hill, peak 岩 - cliff; rocks; mountain