Ăl'ū-mīn'i-ūm or A-lū'mi-nūm, n.

noun

n. N. Lat. aluminium, alumina. See ALUM.] The metallic 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 only about 2.6. Ure.