Meaning : A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum.
Synonyms : ammonia alum, ammonium alum
Meaning : A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum.
Synonyms : potash alum, potassium alum
Meaning : A double sulphate of aluminum and potassium that is used as an astringent (among other things).
Alum meaning in Bengali (Bangla).