aluminum

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aluminum

n. malleable silvery metallic element used in alloys and in the manufacture of lightweight objects (Chemistry)

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Aluminium

Aluminium (or aluminum; see ) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the third most abundant element (after oxygen and silicon), and the most abundant metal, in the Earth's crust. It makes up about 8 y mass of the crust, though it is less common in the mantle below. Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments. Instead, it is found combined in over 270 different minerals. The chief ore of aluminium is bauxite.

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aluminum

Noun
1. a silvery ductile metallic element found primarily in bauxite
(synonym) aluminium, Al, atomic number 13
(hypernym) metallic element, metal
(hyponym) alum, potassium alum, potash alum
(substance-holonym) aluminum foil, aluminium foil, tin foil
(derivation) aluminize, aluminise

Webster's Revised Unabridged Dictionary (1913)

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Aluminum

(n.)
See Aluminium.

Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About

Integrated Circuit Terminology

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Aluminum

atomic symbol, Al, aluminum is the 13th element in the periodic table ( atomic number 13) with an atomic weight of 26.98, aluminum is a metal, an excellent conductor with a resistivity of approximately 2.8µohm-cm, and is commonly used as an interconnect in integrated circuits and sometimes as a P-type dopant due to it's high diffusivity in silicon. Aluminum is commonly deposited by evaporation or sputtering.