alum


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alum

 [al´um]
a local astringent and styptic, prepared as an ammonium (ammonium a.) or potassium (potassium a.) compound; also used as an adjuvant in adsorbed vaccines and toxoids.

al·um

(al'ŭm),
A double sulfate of aluminum and of an alkaline earth element or ammonium; chemically, an alum is any one of the markedly astringent double salts formed by a combination of a sulfate of aluminum, iron, manganese, chromium, or gallium with a sulfate of lithium, sodium, potassium, ammonium, cesium, or rubidium; used locally as a styptic.
[L. alumen]

alum

/al·um/ (al´um)
1. a local astringent and styptic, prepared as an ammonium (ammonium a.) or potassium (potassium a.) compound; also used as an adjuvant in adsorbed vaccines and toxoids.
2. any member of a class of double sulfates formed on this type.

alum

(ăl′əm)
n.
Any of various double sulfates of a trivalent metal such as aluminum, chromium, or iron and a univalent metal such as potassium or sodium, especially hydrous aluminum potassium sulfate, AlK(SO4)2·12H2O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally as topical astringents and styptics.

alum

[al′əm]
Etymology: L, alumen
a topical astringent, used primarily in lotions and douches.

al·um

(al'ŭm)
Agent used locally as a styptic.
[L. alumen]

alum

any of several substances, including potassium alum, aluminum alum, ammonium alum, potash alum and aluminum potassium sulfate, with strong astringent properties. May be used as a styptic or hemostatic and as a topical antimycotic agent. It also may be given by mouth to induce vomiting. Large doses may cause gastrointestinal disturbances.
References in periodicals archive ?
Earl Lewis, UO Alum and president of Mellon Foundation
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Both Tara and her sister, CBRE's top investment sales broker Darcy, who is also a Lehigh alum, have conducted classes for the university on real estate and both may provide internships and hold practicum classes here in the city.
By the fifth day, you should have observed the following: small hexagonal crystals in the alum solutions; square-shaped crystals in the table-salt solutions; long, spiky crystals in the Epsom solutions.
Wolfowitz, Khalilzad, and Bolton are all alums of the project, as are, not incidentally, Dick Cheney, I.
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Alum admitted stabbing David Young, while McCarroll admitted stabbing Colin McLeish.
I am a Michigan alum who has always been a big fan of yours.
The alum method of tanning is one of the oldest and simplest methods known.
As Alum Casting continued to refine the process, business took a downturn due to a sluggish economy.
The vaccine is a combination of alum and a genetically engineered protein, glycoprotein D (gD2), which sits on the outside surface of HSV-2 and is targeted by the body's immune cells, Straus explains.
com/research/96a05e/potash_alum_cas_7) has announced the addition of the "Potash Alum (CAS 7784-24-9) Market Research Report 2010" report to their offering.