D defs.my
Entry 1 sense Webster, 1913

Aluminous

/(ȧ*lū*mĭ*nŭs)/ · A·lu·mi·nous · IPA
01 a. Pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution.
  1. 1.
    Pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution.