|
|
| al·um [ álləm ] (plural al·ums) |
noun |
|
| Definition: |
| |
1. colorless solid: a colorless crystalline solid that turns white in air. Use: astringents, pigments, dyes, water purification, leather dressing. KAl(SO4)2.12H2O
|
2. compound similar to alum: an inorganic chemical having a structure like alum
|
| [14th century. Via French< Latin alumen] |
|
