potassium aluminum sulfate alum

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• potassium aluminum sulfate — n ALUM (1a) …   Medical dictionary

• alum — alum1 [al′əm] n. [ME & OFr < L alumen, alum: for IE base see ALE] 1. a double sulfate of a monovalent metal or radical (as sodium, potassium, or ammonium) with a trivalent metal (as aluminum, iron, or chromium): it is used as an astringent, as …   English World dictionary

• alum — alum1 /al euhm/, n. Chem. 1. Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K2SO4·Al2(SO4)3·24H2O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. 2 …   Universalium

• alum — A double sulfate of aluminum and of an alkaline earth element or ammonium; chemically, an a. is any one of the markedly astringent double salts formed by a combination of a sulfate of aluminum, iron, manga …   Medical dictionary

• alum — I. noun Etymology: Middle English, from Anglo French alum, alun, from Latin alumen Date: 14th century 1. a potassium aluminum sulfate KAl(SO4)2•12H2O or an ammonium aluminum sulfate NH4Al(SO4)2•12H2O used especially as an emetic and as an… …   New Collegiate Dictionary

• Alum — This article is about the chemical compound. For other uses, see Alum (disambiguation). Bulk alum Alum (  / …   Wikipedia

• aluminum — aluminic /al yeuh min ik/, adj. /euh looh meuh neuhm/, n. 1. Chem. a silver white metallic element, light in weight, ductile, malleable, and not readily corroded or tarnished, occurring combined in nature in igneous rock, shale, clay, and most… …   Universalium

• potassium alum — noun a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum • Syn: ↑alum, ↑potash alum • Hypernyms: ↑aluminum, ↑aluminium, ↑Al, ↑atomic number 13, ↑double salt * * * …   Useful english dictionary

• aluminum potassium sulfate — potassium alum …   Medical dictionary

• aluminum — A white silvery metal of very light weight; atomic no. 13, atomic wt. 26.981539. Many salts and compounds are used in medicine and dentistry. [L. alumen, alum] a. acetate used as a disinfectant by embalmers; proposed as …   Medical dictionary

• Potassium — The major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper level of potassium is essential for normal cell function. An abnormal increase of potassium (hyperkalemia) or decrease of potassium… …   Medical dictionary