铝土矿 Traditional form: 鋁土礦 Pinyin (reading): lütǔkuàng Definitions: bauxite Characters: 铝 - aluminum 土 - soil, earth; items made of earth 矿 - mine; mineral, ore Traditional characters: 鋁 - aluminum 土 - soil, earth; items made of earth 礦 - mine; mineral, ore