Adjacent Words

Aluminum definitions

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Webster's 1828 Dictionary

ALU'MINUM, n. The name given to the supposed metallic base of alumina.

WordNet (r) 3.0 (2005)

n
1: a silvery ductile metallic element found primarily in bauxite [syn: aluminum, aluminium, Al, atomic number 13]

Merriam Webster's

noun Usage: often attributive Etymology: New Latin, from alumina Date: 1812 a bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation and is the most abundant metal in the earth's crust where it always occurs in combination — see element table

Dictionary of the 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.

Webster's 1913 Dictionary

Aluminum A*lu"mi*num ([.a]*l[=u]*m[i^]*n[u^]m), n. See Aluminium.

Collin's Cobuild Dictionary

see aluminium