Aluminous \A*lu"mi*nous\ ([.a]*l[=u]*m[i^]*n[u^]s), a. [L. aluminosus, fr. alumen alum: cf. F. alumineux.]

Pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution.

Source: Webster's Revised Unabridged Dictionary (1913)