Definition of Alum. Meaning of Alum. Synonyms of Alum

Here you will find one or more explanations in English for the word Alum. Also in the bottom left of the page several parts of wikipedia pages related to the word Alum and, of course, Alum synonyms and on the right images related to the word Alum.

Definition of Alum

Alum
Alum Al"um, n. [OE. alum, alom, OF. alum, F. alun, fr. L. alumen alum.] (Chem.) 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. Note: Common alum is the double sulphate of aluminium and potassium. It is white, transparent, very astringent, and crystallizes easily in octahedrons. The term is extended so as to include other double sulphates similar to alum in formula.
Alum
Alum Al"um, v. t. To steep in, or otherwise impregnate with, a solution of alum; to treat with alum. --Ure.

Meaning of Alum from wikipedia

- "alum" often refers to pot****ium alum, with the formula KAl(SO 4) 2·12 H 2O. Other alums are named after the monovalent ion, such as sodium alum and...
- Pot****ium alum, potash alum, or pot****ium aluminium sulfate is a chemical compound: the double sulfate of pot****ium and aluminium, with chemical formula...
- Look up alum in Wiktionary, the free dictionary. Alum is a species and class of chemical compound. Pot****ium alum, the prototypical member of the class...
- Alum Rock may refer to: Alum rock, a specific chemical compound and a class of chemical compounds Alum Rock, California, US, formerly a town, now a neighborhood...
- Alum-(K) is a hydrous pot****ium aluminium sulfate mineral with formula KAl(SO4)2·12(H2O). It is the mineral form of pot****ium alum and is referred to as...
- aluminium sulfate, also known as ammonium alum or just alum (though there are many different substances also called "alum"), is a white crystalline double sulfate...
- Alum Cr**** is a stream in the U.S. state of West Virginia. It is a tributary of Tug Fork. The water of Alum Cr**** is impregnated with alum, hence the name...
- Aluminium sulfate is sometimes called alum or papermaker's alum in certain industries. However, the name "alum" is more commonly and properly used for...
- Alum Pot is a pothole with a large open shaft at a surface elevation of 343 metres (1,125 ft) on the eastern flanks of Simon Fell, North Yorkshire, England...
- The Alum Shale Formation (also known as alum schist and alum slate) is a formation of black shale of Miaolingian (Middle Cambrian) to Tremadocian (Lower...