aluminium
அலுமினியம்.
Al`u*min"i*um, n. Etym: [L. alumen. See Alum.] (Chem.) Defn: The metallic base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, pertaining a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al. Aluminium bronze or gold, a pale gold- colored alloy of aluminium and copper, used for journal bearings, etc.