al ‧ u ‧ min ‧ i ‧ um /ˌæləˈmɪniəm/ BrE AmE British English , a‧lu‧mi‧num /əˈluːmənəm, əˈluːmɪnəm/ American English noun [uncountable]
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: Latin alumen ; ⇨ ↑ alum ]
a silver-white metal that is very light and is used to make cans, cooking pans, window frames etc. It is a chemical ↑ element : symbol Al:
recycled aluminium cans