Definition of alum

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Alum (n.) 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.

Lern More About Alum

Santalaceous :: Santalaceous (a.) Of or pertaining to a natural order of plants (Santalaceae), of which the genus Santalum is the type, and which includes the buffalo nut and a few other North American plants, and many peculiar plants of the southern hemisphere..
Calumniated :: Calumniated (imp. & p. p.) of Calumniat.
Kyaboca Wood :: Kyaboca wood () Sandalwood (Santalum album).
Blackwash :: Blackwash (n.) A wash that blackens, as opposed to whitewash; hence, figuratively, calumny..
Bespatter :: Bespatter (v. t.) To asperse with calumny or reproach.
Blaspheme :: Blaspheme (v.) Figuratively, of persons and things not religiously sacred, but held in high honor: To calumniate; to revile; to abuse..
Sesquioxide :: Sesquioxide (n.) An oxide containing three atoms of oxygen with two atoms (or radicals) of some other substance; thus, alumina, Al2O3 is a sesquioxide..
Defame :: Defame (v. t.) To harm or destroy the good fame or reputation of; to disgrace; especially, to speak evil of maliciously; to dishonor by slanderous reports; to calumniate; to asperse..
Calumniate :: Calumniate (v. t.) To accuse falsely and maliciously of a crime or offense, or of something disreputable; to slander; to libel..
Lion''s Leaf :: Lion's leaf () A South European plant of the genus Leontice (L. leontopetalum), the tuberous roots of which contain so much alkali that they are sometimes used as a substitute for soap..
Zoisite :: Zoisite (n.) A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina and lime, and is allied to epidote..
Blasphemy :: Blasphemy (n.) Figuratively, of things held in high honor: Calumny; abuse; vilification..
Aluminic :: Aluminic (a.) Of or containing aluminium; as, aluminic phosphate..
Pyrophorus :: Pyrophorus (n.) Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead..
Slanderous :: Slanderous (a.) Embodying or containing slander; calumnious; as, slanderous words, speeches, or reports..
Alum :: Alum (v. t.) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum..
Illuminati :: Illuminati (v. t.) Members of a sect which sprung up in Spain about the year 1575. Their principal doctrine was, that, by means of prayer, they had attained to so perfect a state as to have no need of ordinances, sacraments, good works, etc.; -- called also Alumbrados, Perfectibilists, etc..
Aluminize :: Aluminize (v. t.) To treat or impregnate with alum; to alum.
Taw :: Taw (v. t.) To dress and prepare, as the skins of sheep, lambs, goats, and kids, for gloves, and the like, by imbuing them with alum, salt, and other agents, for softening and bleaching them..
Fibrolite :: Fibrolite (n.) A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite..
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