alum

(redirected from alums)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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

(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.

al·um

(al'ŭm)
Agent used locally as a styptic.
[L. alumen]
References in periodicals archive ?
AmeriCorps Alums, which had been an enterprise of Points of Light since 2005, is the only national network that connects the over 1m alumni of all AmeriCorps programmes to resources that support their lifetime of service.
On Saturday, the "Bachelor" alum exchanged "I do's" with Angel at the luxury Wequassett Resort on Cape Cod, Massachusetts, (http://people.com/tv/whitney-bischoff-is-married/) People reported.
Are you a young alum who wants to get involved in HEYA?
Finally, it means developing and rolling out an outreach plan that makes sense for you, your camp, and your alums.
AmeriCorps Alums are a core component to the mayor's vision.
* Tracking alums on an individual and practice group basis for referrals and new business;
Perhaps Space Needle owner Jeff Wright, a UW alum, was most down about that sight.
Frank Gaffney, another Project for the New American Century alum, hailed the nomination for National Review online in an article entitled "A Bolt of Good Sense: John Bolton is the right man for the U.N."
What follows are series of eloquent eulogies for the untimely demise of affirmative action by students, community leaders, professors, and alums.
Temporary programs for TOC removal might involve traditional coagulants, acid alums, or specialty formulations applied in ways that do not alter effective coagulant treatment.
Alums like Saake recognize the value of maintaining ties to and a vested interest in their former college or university.
The "Bachelor" Season 21 alum also shared a photo from the ceremony with another important woman in his life.