Alum

Word ALUM
Character 4
Hyphenation al um
Pronunciations /ˈæl.əm/

Definitions and meanings of "Alum"

What do we mean by alum?

An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K2SO4·Al2(SO4)3·24H2O).

Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations.

Synonyms and Antonyms for Alum

  • Antonyms for alum
  • Alum antonyms not found!

The word "alum" in example sentences

The Lost alum is set to guest-star on How I Met Your Mother, a show rep tells TVGuide. com. ❋ Unknown (2010)

After a shortlived gig on the canned CW drama The Beautiful Life, the High School Musical alum is sliding back into his singing and dancing shoes to leap to “new heights” in the Tony-award winning musical. ❋ Unknown (2009)

The former Merck executive and Fordham University alum is giving $1 million to build a new football locker room on the university's Rose Hill campus in the Bronx. ❋ Unknown (2010)

Boiling the samples in alum made the blue color disappear, leaving behind only the yellow of the original green sample. 3 ❋ Unknown (2006)

Tom, a Stanford alum, is no stranger to such awards. ❋ Unknown (2004)

Another Lost alum is set to appear in the CSI franchise: Entertainment Weekly reports Harold Perrineau is set to appear in an April episode of CSI: NY, as a death row inmate who finds himself in the middle of a prison riot, just as he drops a bombshell on Hill Harper’s character. ❋ Unknown (2010)

The most widely used coagulant is Aluminium sulphate, commonly known as alum; Iron salts ❋ Unknown (1992)

I have, I believe, at last succeeded in arranging the proper proportions, and in substituting, for the worse than useless crude alum, the alum ustum or burnt alum, which is not affected by moisture ❋ Montagu Browne (N/A)

Probably the alumen referred to by Pliny, as exuding from the earth, was sulphate of alumina, without potash or soda, a salt not easily crystallized, but as effective, in many cases more effective, in the operations of dyeing, as alum, which is attested by the preference given to this salt over alum for many purposes at the present day. ❋ Unknown (N/A)

Both these substances, so different in their origin, contain all that constitutes alum, that is to say, alumina, sulphuric acid and potash. ❋ Unknown (1851)

And since Mom graduated from Naperville North and Dad is a Naperville Central alum, which is their daughter's alma mater?

The performance seems more restrained and organic than his self titled alum, released on Arts and Crafts earlier this year. ❋ Unknown (2009)

The decomposition of the mineral produces the efflorescence of large quantities of a greenish and yellowish alum, which is periodi - cally collected by the people of the vicinity and sold to the apothecaries of Santiago and Puerto Plata. ❋ Unknown (1771)

Maybe the "alum" in whatever it is you're drinking has shrunk your head a bit (if you don't get the humor, you're too young;). ❋ Unknown (2009)

For an idea of how technologically spoiled we are when it comes to electronic music, Sister Padberg writes: It is interesting that a few weeks ago an "alum" of those days was reminiscing about how the students had helped me get some idea of the "sound" by filling Coke bottles with the correct amount of water and blowing into them!!! ❋ Matthew Guerrieri (2008)

Dyers applied other substances, generally a metallic salt such as alum, tartar, or tin, to the fibers or the dyebath to improve adherence or brightness. ❋ Unknown (2006)

Cross Reference for Alum

What does alum mean?

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