铁矿石 Traditional form: 鐵礦石 Pinyin (reading): tiěkuàngshí Definitions: iron ore Characters: 铁 - iron; strong, solid, firm 矿 - mine; mineral, ore 石 - stone, rock, mineral Traditional characters: 鐵 - iron; strong, solid, firm 礦 - mine; mineral, ore 石 - stone, rock, mineral