alum

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

al·um 1

 (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.

[Middle English, from Old French, from Latin alūmen.]

a·lum 2

 (ə-lŭm′)
n. Informal
An alumna or alumnus.

alum

(ˈæləm)
n
1. (Elements & Compounds) Also called: potash alum a colourless soluble hydrated double sulphate of aluminium and potassium used in the manufacture of mordants and pigments, in dressing leather and sizing paper, and in medicine as a styptic and astringent. Formula: K2SO4.Al2(SO4)3.24H2O
2. (Elements & Compounds) any of a group of isomorphic double sulphates of a monovalent metal or group and a trivalent metal. Formula: X2SO4.Y2(SO4)3.24H2O, where X is monovalent and Y is trivalent
[C14: from Old French, from Latin alūmen]

alum

n
informal chiefly US and Canadian an alumnus or alumna

al•um1

(ˈæl əm)

n.
1. a crystalline solid, aluminum potassium sulfate, K2SO4∙Al2(SO4)3∙24H2O, used as an astringent and styptic and in dyeing and tanning.
2. any of a class of analogous double sulfates.
[1275–1325; Middle English < Anglo-French < Latin alūmen]

a•lum2

(əˈlʌm)

n.
an alumna or alumnus.
[by shortening]

alum.

aluminum.

al·um

(ăl′əm)
Any of various crystalline salts in which a metal such as aluminum or chromium is combined with another metal such as potassium or sodium, especially aluminum potassium sulfate. Alum is widely used in industry as a hardener and purifier, and in medicine to induce vomiting and stop bleeding.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alum - a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
Al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite
double salt - a solution of two simple salts that forms a single substance on crystallization
2.alum - a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
Al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite
double salt - a solution of two simple salts that forms a single substance on crystallization
3.alum - a person who has received a degree from a school (high school or college or university)alum - a person who has received a degree from a school (high school or college or university)
Ivy Leaguer - a student or graduate at an Ivy League school
old boy - a former male pupil of a school
bookman, scholar, scholarly person, student - a learned person (especially in the humanities); someone who by long study has gained mastery in one or more disciplines
4.alum - a double sulphate of aluminum and potassium that is used as an astringent (among other things)
astringent, astringent drug, styptic - a drug that causes contraction of body tissues and canals
Translations

alum

[ˈæləm] Nalumbre m

alum

nAlaun m

alum

n alumbre m
References in classic literature ?
The soil of this immense region is strongly impregnated with sulphur, copperas, alum, and glauber salts; its various earths impart a deep tinge to the streams which drain it, and these, with the crumbling of the banks along the Missouri, give to the waters of that river much of the coloring matter with which they are clouded.
But it is time that we took our order, for methinks that between the Needle rocks and the Alum cliffs yonder I can catch a glimpse of the topmasts of the galleys.
M2 EQUITYBITES-March 14, 2018-Service Year Alliance and Points of Light Agree to Transfer of AmeriCorps Alums
A number of Bischoff's fellow "Bachelor" alums were spotted in her wedding.
This event gives them a chance to meet alums from other classes as well; however, "Alumni Reunite
Benito Tiamzon and wife Wilma Austria-Tiamzon are my fellow Rizal High alums.
Because we know retaining talent is so important for our region, AmeriCorps Alums helps create a network of civic leaders poised to inherit the St.
While some alums go into private practice or join other law firms, a large majority go in-house.
15 at the Wenatchee Convention Center, sponsored by Wenatchee area Rotarians and Lions for WSU Alums and UW alum and fans.
Top grad schools, like Yale's School of Management, waive the application fee for TFA alums, while blue chip banks like Goldman Sachs recruit teachers at the end of their two-year stints.
But it's become pretty clear there's a stagnant pool of humor when it comes to revitalizing the verbal jousting between alums, students and all others who have ties to this particular intercity rivalry.
Two other alums, former NFL running backs Greg Lewis (UW, Denver Broncos) and Rueben Mayes (WSU, New Orleans Saints), served as honorary contest chairmen.