aluminium n 1: a silvery ductile metallic element found primarily in bauxite [syn: {aluminum}, {aluminium}, {Al}, {atomic number 13}]
Aluminium \Al`u*min"i*um\ ([a^]l`[-u]*m[i^]n"[i^]*[u^]m), n. [L. alumen. See {Alum}.] (Chem.) same as {aluminum}, chiefly British in usage. [1913 Webster] {Aluminium bronze} or {gold}, a pale gold-colored alloy of aluminium and copper, used for journal bearings, etc. [1913 Webster]
Aluminum \A*lu"mi*num\ ([.a]*l[=u]*m[i^]*n[u^]m), n. The metallic element forming the base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, having a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al. Also called {aluminium}. [1913 Webster +PJC]