D defs.my
Entry 1 sense Webster, 1913

Aluminum

/(ȧ*lū*mĭ*nŭm)/ · A·lu·mi·num · IPA /əˈlu.mɪ.nəm/
01 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 oxi…
  1. 1.
    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. Also: aluminium