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Alum
n.
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A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization.
Alum
v. t.
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To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
Alumen
n.
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Alum.
Alumina
n.
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One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.
Aluminate
n.
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A compound formed from the hydrate of aluminium by the substitution of a metal for the hydrogen.
Aluminated
a.
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Combined with alumina.
Alumine
n.
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Alumina.
Aluminic
a.
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Of or containing aluminium; as, aluminic phosphate.
Aluminiferous
a.
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Containing alum.
Aluminiform
a.
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Having the form of alumina.
Aluminium
n.
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The metallic base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, having a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al.
Aluminize
v. t.
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To treat or impregnate with alum; to alum.
Aluminous
a.
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Pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution.
Aluminum
n.
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See Aluminium.
Alumish
a.
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Somewhat like alum.
Alumnae
pl.
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of Alumna
Alumna
n. fem.
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A female pupil; especially, a graduate of a school or college.
Alumni
pl.
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of Alumnus
Alumnus
n.
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A pupil; especially, a graduate of a college or other seminary of learning.
Alum root
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A North American herb (Heuchera Americana) of the Saxifrage family, whose root has astringent properties.
Alum schist
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Alt. of Alum shale
Alum shale
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A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock.
Alum stone
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A subsulphate of alumina and potash; alunite.
Alunite
n.
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Alum stone.
Alunogen
n.
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A white fibrous mineral frequently found on the walls of mines and quarries, chiefly hydrous sulphate of alumina; -- also called feather alum, and hair salt.
Alure
n.
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A walk or passage; -- applied to passages of various kinds.
Alutaceous
a.
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Leathery.
Alutaceous
a.
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Of a pale brown color; leather-yellow.
Alutation
n.
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The tanning or dressing of leather.
Alvearies
pl.
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of Alveary