a. [a. Fr. alumineux, ad. L. alūminōs-us: see ALUM and -OUS.]

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  1.  Of the nature of alum, containing alum. Aluminous cake = ALUM cake.

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1541.  R. Copland, Guidon’s Form., U j. Wasshyng with wyne and aluminous water with good and artefycyall lygature.

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1652.  French, Yorksh. Spa, iii. 34. Astringing waters, as Alluminous, and Vitrioline almost everywhere.

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1725.  Bradley, Fam. Dict., II. Add a little burnt Allom … to give it a discernable alluminous Taste.

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1845.  Blackw. Mag., LVIII. 488. Aluminous perspiration stood thick upon us, the alum being deposited from the walls and atmosphere of the place.

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  2.  Of the nature of or containing alumina; clayey.

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1802.  Edin. Rev., I. 208. A chaotic collection of flinty sand and aluminous and magnesian mud.

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1812.  Sir H. Davy, Chem. Philos., 49. Margraaf … distinguished accurately between the silicious, calcareous, and aluminous earths.

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1841.  Trimmer, Pract. Geol., 22. Aluminous, or clayey soils, retain too much moisture.

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1872.  Nicholson, Palæont., 8. The Argillaceous or Aluminous Rocks.

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