a. [a. Fr. alumineux, ad. L. alūminōs-us: see ALUM and -OUS.]
1. Of the nature of alum, containing alum. Aluminous cake = ALUM cake.
1541. R. Copland, Guidons Form., U j. Wasshyng with wyne and aluminous water with good and artefycyall lygature.
1652. French, Yorksh. Spa, iii. 34. Astringing waters, as Alluminous, and Vitrioline almost everywhere.
1725. Bradley, Fam. Dict., II. Add a little burnt Allom to give it a discernable alluminous Taste.
1845. Blackw. Mag., LVIII. 488. Aluminous perspiration stood thick upon us, the alum being deposited from the walls and atmosphere of the place.
2. Of the nature of or containing alumina; clayey.
1802. Edin. Rev., I. 208. A chaotic collection of flinty sand and aluminous and magnesian mud.
1812. Sir H. Davy, Chem. Philos., 49. Margraaf distinguished accurately between the silicious, calcareous, and aluminous earths.
1841. Trimmer, Pract. Geol., 22. Aluminous, or clayey soils, retain too much moisture.
1872. Nicholson, Palæont., 8. The Argillaceous or Aluminous Rocks.