aluminum aluminous • aluminyl · · · Info · Definitions · Synonyms · Characters · · aluminum · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a silvery ductile metallic element found primarily in bauxite. Synonyms: aluminium, Al, atomic number 13. · · Noun Definition 1 Synonyms · · · aluminium · · Synonym 1 al · · Synonym 2 atomic number 13 · · Synonym 3 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E u latin small letter u U+0075