aluminium
US /ˌæl.jəˈmɪn.i.əm/
UK /ˌæl.jəˈmɪn.i.əm/
1.
a light silvery-grey metal that is used for making pans, cooking foil, and many other products
:
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The aircraft fuselage is made of aluminium.
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Wrap the leftovers tightly in aluminium foil.