1. A double sulphate of alumina and potash, & c., a salt of great use in medicine and the arts.

2. To impregnate with alum.

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

• valuim,
• callum,
• aloue,
• olume,
• albom,
• alsom,
• aliv,
• iium,
• ayumy,
• aquim,
• volum,
• alboum,
• alumus,
• asume,
• alerm,
• allbum,
• asoum,
• albm,
• anum,
• albam

• allium,
• alumna,
• almy,
• ALAM,
• Alen,
• ALM,
• Alan,
• Alma,
• aleem,
• alaimo,
• alamo.

The adjective form of the word "alum" is "alumna" (feminine) or "alumnus" (masculine).

The plural of the "alum" can be the "alums".

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