Scriptura › Dictionary › Alum Stone 1 entry 1 source Alum Stone Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) A subsulphate of alumina and potash; alunite.
1 entry 1 source Alum Stone Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) A subsulphate of alumina and potash; alunite.