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Alum vs. Alumni — What's the Difference?

By Urooj Arif & Maham Liaqat — Updated on March 17, 2024
Alum is an informal term for a single graduate, while alumni refers to a group of graduates from a particular institution.
Alum vs. Alumni — What's the Difference?

Difference Between Alum and Alumni

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Key Differences

Alum is a casual, gender-neutral term often used to refer to an individual who has graduated from a particular educational institution, regardless of their gender. It's a shorthand version that can apply to both "alumnus" (for males) and "alumna" (for females) in singular form. On the other hand, alumni is the plural form, traditionally used when referring to a group of graduates, which can include both male and female graduates. The term "alumni" carries a sense of community and collective identity among those who have shared educational experiences at the same institution.
While "alum" is versatile and increasingly popular in informal contexts, "alumni" is more formal and often used in official communications, reunions, and networking groups associated with educational institutions. It's important to note that "alumnae" is the plural form specifically for groups of female graduates, though "alumni" remains commonly used for mixed or general groups.
The distinction between "alum" and "alumni" also reflects the level of formality and specificity in language. Using "alum" can convey a more personal, individual-focused connection to an institution, while "alumni" emphasizes the collective, communal aspect of the graduates' relationship with their alma mater.
Understanding the difference between "alum" and "alumni" is crucial for proper usage in various contexts, from casual conversations to formal institutional affiliations, ensuring clarity and respect for the traditions of academic achievements.

Comparison Chart

Definition

Informal term for a single graduate
Formal term for a group of graduates
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Gender

Gender-neutral
Traditionally male but used for mixed groups

Usage

Casual, individual-focused
Formal, group-focused

Plural Form

Not applicable (singular)
Alumni (mixed or male), Alumnae (female)

Context

Informal discussions, personal identity
Official communications, reunions, networks

Compare with Definitions

Alum

Singular, informal term for a graduate.
She's proud to be an alum of her university.

Alumni

Traditional and widely recognized term.
Alumni is used in official documents and ceremonial contexts.

Alum

Used in casual or personal contexts.
As an alum, he frequently attends campus events.

Alumni

Used for mixed or all-male groups, formally.
The university welcomed its alumni back for homecoming.

Alum

Gender-neutral, applicable to any graduate.
The alum returned to give a guest lecture.

Alumni

Emphasizes a collective identity.
The alumni share a bond through their shared experiences.

Alum

Reflects individual connection to an institution.
Every alum has their unique journey and story.

Alumni

Common in official and formal settings.
The alumni newsletter features updates from graduates.

Alum

Increasingly popular in modern usage.
The term alum is widely accepted in social media and casual conversations.

Alumni

Plural term for a group of graduates.
The alumni association organized a networking event.

Alum

An alum () is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula XAl(SO4)2·12H2O, where X is a monovalent cation such as potassium or ammonium. By itself, "alum" often refers to potassium alum, with the formula KAl(SO4)2·12H2O. Other alums are named after the monovalent ion, such as sodium alum and ammonium alum.

Alumni

A male graduate or former student of a school, college, or university.

Alum

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.

Alumni

An individual alumnus or alumna.

Alum

An alumna or alumnus.

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).

Alum

(chemistry) 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.

Alum

A past attendee or graduate (of either gender) of a college, university or other educational institution.

Alum

(transitive) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

Alum

A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization.

Alum

To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

Alum

A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

Alum

A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

Alum

A person who has received a degree from a school (high school or college or university)

Alum

A double sulphate of aluminum and potassium that is used as an astringent (among other things)

Common Curiosities

How do you differentiate between male and female graduates in plural form?

"Alumni" is used for mixed or male-only groups, while "alumnae" specifically refers to groups of female graduates.

Is "alum" acceptable in formal writing?

"Alum" is more suited to informal contexts, while "alumni" or "alumnus"/"alumna" are preferred in formal writing.

Can "alum" be used in professional settings?

While "alum" is generally informal, it can be used in professional settings for brevity or in a casual tone.

What is the importance of using alumni networks?

Alumni networks provide professional connections, support, and opportunities for mentorship and collaboration among graduates.

Can "alumni" refer to both male and female graduates?

Yes, "alumni" is used for mixed groups or when the gender of the graduates is not specified.

How has the usage of "alum" evolved over time?

The use of "alum" has become more popular in casual and inclusive contexts, reflecting broader trends towards gender neutrality and informality in language.

Why do institutions value their alumni?

Alumni contribute to the institution's legacy, support through mentoring, donations, and enhance the institution's reputation through their achievements.

What's the correct term for a single female graduate?

"Alumna" is the formal term for a single female graduate, though "alum" is a gender-neutral alternative.

How do institutions typically engage with their alumni?

Institutions engage with their alumni through newsletters, events, reunions, and fundraising activities to maintain a lifelong relationship.

Are there any other related terms to be aware of?

"Alumnus" for a single male graduate and "alumnae" for plural female graduates are related terms within the alumni lexicon.

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Author Spotlight

Written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.
Co-written by
Maham Liaqat

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