Alum

aKum, n. A double sulphate of alumina and pota a. — Alu'mina, -ml-na, AKumine, -min, (Min.) One of the earths, having two parts of aluminum and three of oxygen. — Aluminiferous, -nif er-us, a. Producing or containing alum. — Alumin/rium, Alu'minum, n. The metallic base of alumina; a very light white metal, not easily oxidized. — Alurminous, a. Pert, to, or containing alum, or alumina, — AKumish, n. Of the nature of alum. — AFiunstone, n. A mineral containing alum.