قاموس اللغة الإنجليزية
نتائج البحث عن Alum
Alum
(n.)
A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization.
Alum
(v. t.)
To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.