aluminium · noun U /ˌæl.jʊˈmɪn.i.əm/
aluminium
B2 a light, silver-coloured metal used for making containers, cooking equipment and aircraft parts
Dictionary examples:
Cover the fish with aluminium foil and cook over a low heat.
We take all our aluminium cans for recycling.
Learner example:
[In the future,] jewellery will be made of metals which [occur] naturally and [which are] cheap now but will be extremely expensive 100 years from now, such as aluminium and zinc. (First Certificate in English; B2; Danish)