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...
- 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...
- Pot****ium alum, potash alum, or pot****ium aluminium sulfate is a chemical compound first mentioned under various Sanskrit names in Ayurvedic medicinal...
- 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 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...
- soda alum, sodium alum, or SAS, this white solid is used in the manufacture of baking powder and as a food additive. Its official mineral name is alum-Na...
- 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...
- Chrome alum or Chromium(III) pot****ium sulfate is the pot****ium double sulfate of chromium. Its chemical formula is KCr(SO4)2 and it is commonly found...
- Alum Cr**** is a 58-mile (93 km) long cr**** that runs north to south in central Ohio. The cr**** originates in Morrow County and then flows through Delaware...
- Alum Cr**** may refer to: Alum Cr****, Ohio, an unincorporated community Alum Cr****, Texas, an unincorporated community Alum Cr****, West Virginia, an unincorporated...