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The Collaborative International Dictionary of English v.0.48 (gcide)

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]


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]