Plural of alum
regular plural
The plural of alum is alums.
Forms of alum
| Singular | alum /ˈæl.əm/ |
|---|---|
| Plural | alums /ˈa.ləmz/ |
| Countable | countable and uncountable |
Plural of alum by meaning
- an astringent salt, usually occurring in the form of pale crystals, much used in the...: alums
- a past attendee or graduate (of any gender) of a college, university or other educational...: alums or alumni
Alums in a sentence
- In structure, the alums consist of simple ions, being not complexes, but double salts.2005, Amit Arora, Text Book Of Inorganic Chemistry, page 386
- You'll remember that we're starting with a list of slightly over 7,000 names that are alums (most of them over 50) that we'd like to whittle down to a manageable list of prospects.2006, Ted Hart, James M. Greenfield, Pamela M. Gignac, Christopher Carnie, Major Donors: Finding Big Gifts in Your Database and Online...
- “I think the thing that was most surprising was how supportive and gung-ho a lot older alums were,” said Mx.2015 June 4, Elizabeth A. Harris, “Barnard College, After Much Discussion, Decides to Accept Transgender Women”, in The New York Times. From the entry MX
- For the last six years a group of Shimer alums together with some honorary Shimerians have been meeting once a month in Evanston.2008 Fall, “Life After Shimer Discussion Group”, in Symposium, Shimer College, archived from the original on 09 Jun 2010, page 14. From the entry Shimerian
Meaning of alum
- noun 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).
- noun 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.
- verb To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
Questions about the plural of alum
- What is the plural of alum?
- The plural of alum is alums.
- Is alum countable?
- Alum is a countable and uncountable noun.
Source and license
Adapted from Wiktionary: alum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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