aluminium /Iju'miniam; (US = aluminum) /a'liuminam; a'lummam/ n [U] light white metal (symbol Al) extracted chiefly from bauxite, used for making hard, light alloys for cooking utensils, electrical apparatus, etc. 鋁 (白色輕金屬，符號為 Al, 主妻由鐵鋁石氧提煉而來，用于制硬而輕的合金炊具，電器等) 。