Aluminium

Silvery white metal. The third most abundant element in the earth’s crust (after oxygen and silicon), aluminium is found only in the form of its compounds, such as alumina or aluminium oxide. Its name is derived from alumen, the Latin name for alum, and in the 18th century the French word alumine was proposed for the oxide of the metal, then undiscovered. The name aluminium was adopted in the early 19th century and is used world-wide except in the USA, where the spelling is aluminum, and in Italy where alluminio is used. Following the discovery of processes for separating the metal from the oxide, at first experimentally in 1825, then commercially in 1854 and industrially in 1886–8, aluminium rapidly came to be valued as an adaptable material with both functional and decorative properties. Thus in addition to being used in engineering, transport, industrial design and household products, it was also widely adopted in architecture, sculpture and the decorative arts.
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