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  • ain
    ain
    adjective
  • Ain
    Ain
    noun
    a department in E France. 2,249 sq. mi. (5,825 sq. km). Bourg.

ain

1 American  
[eyn] / eɪn /

adjective

Scot.
  1. own.


Ain 2 American  
[an] / ɛ̃ /

noun

  1. a department in E France. 2,249 sq. mi. (5,825 sq. km). Bourg.


ain 3 American  
[ahyn, eyn] / aɪn, eɪn /
Or ʿayn

noun

  1. the 18th letter of the Arabic alphabet.

  2. the voiced pharyngeal constrictive consonant represented by this letter.


Ain 1 British  
/ ɛ̃ /

noun

  1. a department in E central France, in Rhône-Alpes region. Capital: Bourg. Pop: 539 006 (2003 est). Area: 5785 sq km (2256 sq miles)

  2. a river in E France, rising in the Jura Mountains and flowing south to the Rhône. Length: 190 km (118 miles)

"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

ain 2 British  
/ eɪn /

determiner

  1. a Scot word for own

"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

ain 3 British  
/ ˈɑːjɪn /

noun

  1. a variant of ayin

"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

Etymology

Origin of ain1

1700–25; representing Old English ǣgen or Old Norse eiginn; replacing Middle English ( Scots ) awyn, awne, Old English āgen; see own

Origin of ain3

From the Arabic word ʿayn

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The research began almost 20 years ago when Quitterer received brain tissue samples from a colleague at Ain Shams University Hospital in Cairo.

From Science Daily • Jun. 8, 2026

Luna El Bizri, the owner of Luna Pharm, the store destroyed in the attack, said her pharmacy’s neighborhood of Ain al-Mraiseh along Beirut’s seaside corniche had always been a haven.

From The Wall Street Journal • Apr. 17, 2026

In two separate posts on X, the military's Arabic-language spokesman, Colonel Avichay Adraee, said the villages were Kfar Hatta and Annan in south Lebanon, and Al-Manara and Ain al-Tineh in eastern Lebanon.

From Barron's • Jan. 5, 2026

City start their campaign against Moroccan side Wydad in Philadelphia on 18 June and have been drawn in a group that also contains Al Ain from Abu Dhabi, and Italian challengers Juventus.

From BBC • Mar. 28, 2025

“Yes’m. Ain t you never heard of the compounds?”

From "Dread Nation" by Justina Ireland

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