1. The oxide of aluminium, the most abunds it of the earths, and the characteristic ingredient of common clay. See Alum.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• alumine,
• alumien,
• aluminun,
• aluminan,
• aluminia,
• alminac,
• alummin,
• alluminm,
• asuming,
• alummni,
• alumn,
• alumimm,
• illumina,
• alumane,
• aluminm,
• alumi,
• alumium,
• alumini,
• aluminim,
• aluminin

• almanzar,
• Almon,
• almoner,
• aluminize,
• almandine,
• aleman,
• almonte,
• allmond,
• alinement,
• alimentary,
• alanine,
• almond,
• aluminous,
• aluminate,
• allmon,
• aluminum,
• almandite,
• aluminium,
• allman,
• almanza,
• Alimental,
• almendarez,
• aliment,
• alimony,
• aluminise,
• almanac.

The adjective form of the word "alumina" is "aluminous".

The plural of the "alumina" can be the "aluminas".

The singular of the "alumina" can be the "alumina".