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

Sycophancy :: Sycophancy (n.) False accusation; calumniation; talebearing.
Calumniating :: Calumniating (p. pr. & vb. n.) of Calumniat.
Slander :: Slander (v. t.) To defame; to injure by maliciously uttering a false report; to tarnish or impair the reputation of by false tales maliciously told or propagated; to calumniate.
Aluminize :: Aluminize (v. t.) To treat or impregnate with alum; to alum.
Indium :: Indium (n.) A rare metallic element, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium. Symbol In. Atomic weight, 113.4..
Alum Stone :: Alum stone () A subsulphate of alumina and potash; alunite.
Sandalwood :: Sandalwood (n.) Any tree of the genus Santalum, or a tree which yields sandalwood..
Scolecite :: Scolecite (n.) A zeolitic mineral occuring in delicate radiating groups of white crystals. It is a hydrous silicate of alumina and lime. Called also lime mesotype.
Thallium :: Thallium (n.) A rare metallic element of the aluminium group found in some minerals, as certain pyrites, and also in the lead-chamber deposit in the manufacture of sulphuric acid. It is isolated as a heavy, soft, bluish white metal, easily oxidized in moist air, but preserved by keeping under water. Symbol Tl. Atomic weight 203.7..
Hauynite :: Hauynite (n.) A blue isometric mineral, characteristic of some volcani/ rocks. It is a silicate of alumina, lime, and soda, with sulphate of lime..
Aluminated :: Aluminated (a.) Combined with alumina.
Prehnite :: Prehnite (n.) A pale green mineral occurring in crystalline aggregates having a botryoidal or mammillary structure, and rarely in distinct crystals. It is a hydrous silicate of alumina and lime..
Aluminiferous :: Aluminiferous (a.) Containing alum.
Calumny :: Calumny (n.) False accusation of a crime or offense, maliciously made or reported, to the injury of another; malicious misrepresentation; slander; detraction..
Alunite :: Alunite (n.) Alum stone.
Alumna :: Alumna (n. fem.) A female pupil; especially, a graduate of a school or college..
Tantalic :: Tantalic (a.) Of or pertaining to tantalum; derived from, or containing, tantalum; specifically, designating any one of a series of acids analogous to nitric acid and the polyacid compounds of phosphorus..
Sodium :: Sodium (n.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so readily oxidized that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in many salts, in the free state as a reducer, and as a means of obtaining other metals (as magnesium and aluminium) is an important commercial product. Symbol
Traducible :: Traducible (a.) Capable of being traduced or calumniated.
Smectite :: Smectite (n.) A hydrous silicate of alumina, of a greenish color, which, in certain states of humidity, appears transparent and almost gelatinous..
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