3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Aluminum \A*lu"mi*num\ ([.a]*l[=u]*m[i^]*n[u^]m), n.
See {Aluminium}.
From WordNet r 1.6 [wn]:
aluminum
n : a silvery ductile metallic element found primarily in
bauxite [syn: {aluminium}, {Al}, {atomic number 13}]
From Elements database 20001107 [elements]:
aluminum
Symbol: Al
Atomic number: 13
Atomic weight: 26.9815
Silvery-white lustrous metallic element of group 3 of the periodic table.
Highly reactive but protected by a thin transparent layer of the oxide
which quickly forms in air. There are many alloys of aluminum, as well as
a good number of industrial uses. Makes up 8.1% of the Earth's crust, by
weight. Isolated in 1825 by H.C. Oersted.
more about aluminum
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