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alumnus

[uh-luhm-nuh s]
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noun, plural a·lum·ni [uh-luhm-nahy, -nee] /əˈlʌm naɪ, -ni/.
  1. a graduate or former student of a specific school, college, or university.
  2. a former associate, employee, member, or the like: He invited all the alumni of the library staff to the party.
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Origin of alumnus

1635–45; < Latin: foster son, pupil, equivalent to al- (stem of alere to feed, support) + -u- (< stem-vowel *-o- in interior syllable) + -m(i)nus, orig. passive participial suffix (cf. adult, old), akin to Greek -menos; see phenomenon
Can be confusedalum alumna alumnae alumni alumnus (see usage note at the current entry)

Usage note

Alumnus (in Latin a masculine noun) refers to a male graduate or former student; the plural is alumni. An alumna (in Latin a feminine noun) refers to a female graduate or former student; the plural is alumnae. Traditionally, the masculine plural alumni has been used for groups composed of both sexes and is still widely so used: the alumni of Indiana University. Sometimes, to avoid any suggestion of sexism, both terms are used for mixed groups: the alumni/alumnae of Indiana University or the alumni and alumnae of Indiana University. While not quite equivalent in meaning, the terms graduate and graduates avoid the complexities of the Latin forms and eliminate any need for using a masculine plural form to refer to both sexes.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

alumalumnapostgraduate

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British Dictionary definitions for alumni

alumnus

noun plural -ni (-naɪ)
  1. mainly US and Canadian a graduate of a school, college, etc
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Word Origin

C17: from Latin: nursling, pupil, foster son, from alere to nourish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for alumni

n.

see alumnus.

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alumnus

n.

1640s, from Latin alumnus "a pupil," literally "foster son," vestigial present passive participle of alere "to nourish" (see old), with ending akin to Greek -omenos. Plural is alumni. Fem. is alumna (1882), fem. plural alumnae.

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Online Etymology Dictionary, © 2010 Douglas Harper