1. Pertaining to or containing alum or alumina.

2. Containing alum, or alumina.

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

• zluminous,
• sluminous,
• wluminous,
• qluminous,
• akuminous,
• apuminous,
• aouminous,
• alyminous,
• alhminous,
• aljminous,
• aliminous,
• al8minous,
• al7minous,
• aluninous,
• aluiminous,
• alumious,
• aluminos,
• alluminous,
• alumminous,
• cluminous

• allmond,
• almoner,
• almanac,
• alimony,
• aluminate,
• aluminium,
• aluminise,
• aleman,
• aliment,
• alumina,
• almonte,
• aluminum,
• allman,
• almanza,
• aluminize,
• almond,
• allmon,
• alanine.

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

The plural form of "aluminous" is "aluminouses".

The singular form of the word "aluminous" is "aluminous". The word does not change in its singular form, and it remains the same whether it is singular or plural.