非层岩 Traditional form: 非層巖 Pinyin (reading): fēicéngyán Definitions: unstratified rock Characters: 非 - not, negative, non-; to oppose 层 - layer, floor, story, stratum 岩 - cliff; rocks; mountain Traditional characters: 非 - not, negative, non-; to oppose 層 - layer, floor, story, stratum 巖 - cliff, precipice; cave, grotto