aluminium

noun, adjective Chiefly British.

1. aluminum.

noun

1. a light malleable ductile silvery-white metallic element that resists corrosion; the third most abundant element in the earth’s crust (8.1 per cent), occurring only as a compound, principally in bauxite. It is used, esp in the form of its alloys, in aircraft parts, kitchen utensils, etc. Symbol: Al; atomic no: 13; atomic wt: 26.9815; valency: 3; relative density: 2.699; melting pt: 660.45°C; boiling pt: 2520°C