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  • Ar
    Ar
    abbreviation
  • AR
    AR
    abbreviation
    annual return.
  • A/R
    A/R
    account receivable.
  • ar-
    ar-
    variant of ad- before r: arrears.
  • -ar
    -ar
    variant of the adjective-forming suffix -al, joined to words in which an l precedes the suffix: circular; lunar; singular .
  • ar.
    ar.
    abbreviation
    arrival.
  • a.r.
    a.r.
    abbreviation
    all risks.
  • A.R.
    A.R.
    abbreviation
    annual return.
  • Ar.
    Ar.
    abbreviation
    Arabia(n)
  • ar
    ar
    abbreviation
    Argentina

Ar

1 American  
Or Ar.

abbreviation

  1. Arabic.


Ar 2 American  
Symbol, Chemistry.
  1. argon.


AR 3 American  

abbreviation

  1. annual return.

  2. (loosely) AR-15.

  3. Arkansas (approved especially for use with zip code).

  4. Army Regulation.

    This regulation supersedes AR 600-20, dated 6 November 2014.

  5. atmospheric river.

  6. augmented reality.


A/R 4 American  
Or a/r
  1. account receivable.

  2. accounts receivable.


ar- 5 American  
  1. variant of ad- before r: arrears.


-ar 6 American  
  1. variant of the adjective-forming suffix -al, joined to words in which an l precedes the suffix: circular; lunar; singular .


-ar 7 American  
  1. variant of -er, often under the influence of a spelling with -ar- in a cognate Latin noun.

    burglar; cellar; collar; mortar; poplar; scholar; vicar; vinegar.


-ar 8 American  
  1. variant of -er on the model of -ar, used in the formation of nouns of agency: liar; beggar .


ar. 9 American  

abbreviation

  1. arrival.

  2. arrive; arrives.


a.r. 10 American  

abbreviation

  1. Insurance. all risks.


A.R. 11 American  

abbreviation

  1. annual return.

  2. Army Regulation; Army Regulations.


AR 1 British  

abbreviation

  1. Arkansas

  2. Autonomous Region

  3. Also: A/R. (in the US and Canada) accounts receivable

"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

Ar. 2 British  

abbreviation

  1. Arabia(n)

  2. Also: Ar. Arabic

"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

-ar 3 British  

suffix

  1. of; belonging to; like

    linear

    polar

    minuscular

"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

Ar 4 British  

symbol

  1. argon

"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

a.r. 5 British  

abbreviation

  1. anno regni

"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

ar 6 British  

abbreviation

  1. Argentina

"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

Usage

What else does AR mean? AR can stand for hundreds of things, but here are three of the big ones: augmented reality, alternate reality, and ArmaLite rifle. How do you pronounce AR?[ ey-ahr ]

Etymology

Origin of -ar

< Latin -āris; replacing Middle English -er < Anglo-French, Old French < Latin -āris


Vocabulary lists containing ar

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.

See Examples For:

So in Rita's memory, he walks the same route from the Pont Ar Daf car park to the peak at 886m.

From BBC ● Apr. 4, 2026

Among them are more than 160 prominent figures, including author Ayse Kulin and actress Mujde Ar.

From Barron's ● Feb. 25, 2026

While most who patronize Ar de Rock don’t go to Mass, she added, some become curious enough to ask about worship times.

From Seattle Times ● Nov. 9, 2023

Her imam, Musa Kabba, of Masjid Ar Rahmah, said she was away from the apartment for up to 40 minutes before fire trucks arrived.

From New York Times ● Feb. 17, 2019

He did not come up the course of the Ar like most people, but down, out of the forests of the higher mountainside.

From "A Wizard of Earthsea" by Ursula K. Le Guin

Investigators searched the man’s home and found an “illegally modified AR platform rifle,” a pistol, magazines, ammunition and body armor, among other things.

From The Wall Street Journal ● Aug. 5, 2026

The relatively small social network has been working toward AR glasses for more than a decade, a passion of co-founder and CEO Evan Spiegel.

From Barron's ● Jun. 18, 2026

Critics question the merits of Snap’s decision to double down on AR spending, as well as some of the design and pricing choices made with this latest iteration of the glasses.

From MarketWatch ● Jun. 17, 2026

Snap later began shifting towards AR, offering new Spectacles in 2021 to a "select group of global creators" in the field.

From BBC ● Jun. 17, 2026

I knew she would say “Breakfast” And once she did, I went home that afternoon and told my mom that my health teacher said the most important meal of the day is breakfast AR: Ahhh!

From "The Landry News" by Andrew Clements

“Automate revenue and coding from clinical activity to reduce administrative overhead, avoid missing charges, reduce A/R days and increase total revenue,” the company’s website says.

From Los Angeles Times ● Dec. 10, 2021

"Money that stays too long in A/R is a disaster waiting to happen," Rohr says.

From Inc ● Feb. 19, 2010

Salesmen for the  GSCI and  other commodity indexes ar- gued  that  their products were an  important way to diversify in- vestment  portfolios.

From MSNBC ● Jun. 4, 2014

Starting in fall 1793, British troops began ar- riving in Saint Domingue to reenslave people and return them to their sugar plantations.

From "Sugar Changed the World: A Story of Magic, Spice, Slavery, Freedom, and Science" by Marc Aronson

Rolling end over end in a flash flood in a big ar- royo.

From "Ceremony:" by Leslie Marmon Silko

And I, Sam Gribley, felt just wonderful, just wonder- I pushed the raft down the stream and gathered ar- rowleaf bulbs, cattail tubers, bulrush roots, and the nutlike tubers of the sedges.

From "My Side of the Mountain" by Jean Craighead George

In other words, the stage was very shallow, and appears to have been ar- ranged for a number of performers standing in a line, like a company of soldiers.

From A Little Tour in France by Henry James

Nouns ending in -a, -e, -i, -y, -o, -l, -n, -t, -ar, -ur, -ŭs are Neuter.

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

Tree = arb‑o; suf. -ar denotes a collection of trees. 9To turn.

From International Language Past, Present and Future: With Specimens of Esperanto and Grammar by Walter John Clark

Some nouns of this decl. take -ar in the gen. sing., especially proper names, such as Hākon, gen.

From Icelandic Primer with Grammar, Notes and Glossary by Henry Sweet

These end in the Nominative Singular in -e, -al, and -ar.

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

Archiās, declension of, 22. -ar, declension of nouns in, 39. arguō, constr.,

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

Fig. 55.—Longitudinal section of a nearly full-grown sporogonium of Madotheca, which has not, however, broken through the overlying cells, × 25. sp. cavity in which the spores are formed. ar. abortive archegonium.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

This stage is called the gastrula stage; ar. is the cavity of the gastrula, the archenteron; b.p. is its opening or blastopore.

From Text Book of Biology, Part 1: Vertebrata by H. G. (Herbert George) Wells

C, an older one, × 150. ar. archicarp. sp. young spore sacs.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

The position of ar. is also indicated in Figure 1.

From Text Book of Biology, Part 1: Vertebrata by H. G. (Herbert George) Wells

G, young sporogonium still surrounded by the much enlarged base of the archegonium. h, neck of the archegonium. ar. abortive archegonia, × 12.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

Pay Roll. a.r. 1315-1383.—The pay roll is made out monthly in triplicate, one copy being retained and two copies being sent to the Quartermaster.

From Military Instructors Manual by Oliver Schoonmaker

Drawing on work by the scholar John Wood, Ms. Kimber proposes that Murry was not Mansfield’s most significant emotional and professional relationship; that claim properly belongs to a man called A.R.

From The Wall Street Journal ● Jan. 30, 2026

“Indeed, it has become clear to the State, through conversations with more than one person in contact with her, that A.R. is actively thwarting attempts to serve her to avoid coming to court,” Ahsens wrote.

From Seattle Times ● Jan. 3, 2024

Carter and A.R. were familiar with each other prior to the alleged incidents, the lawsuit says.

From Los Angeles Times ● Aug. 30, 2023

A.R. is expected to be one of the next battlegrounds for Google and its competitors, along with the related virtual reality.

From New York Times ● Sep. 28, 2022

Weismann's treatment of the subject is merely begging the question.—Yours faithfully, A.R.

From Alfred Russel Wallace: Letters and Reminiscences, Vol. 2 by James Marchant

They found that Ar. ramidus still favored the kind of C3 plants that apes prefer, suggesting that it was still spending a lot of time in woodlands.

From Science Magazine ● Nov. 12, 2012

Ar. wakaijaru, worthless, dirty, wakaijatti lihi, a worthless fellow.

From The Arawack Language of Guiana in its Linguistic and Ethnological Relations by Daniel Garrison Brinton

Ar. alÐkohl a powder of antimony or galena, to paint the eyebrows with.

From Webster's Unabridged Dictionary by Noah Webster

Ar. young, with father and mother; now carpenter and contractor Alexander, Charles.

From Some Reminiscences of old Victoria by Edgar Fawcett

Ar. asÐsum?t, pl. of asÐsamt a way, or perh., a point of the horizon and a circle extending to it from the zenith, as being the Arabic article: cf.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Noah Webster

"You never go into a school thinking that would happen," he told S4C's current affairs programme Y Byd ar Bedwar.

From BBC ● Feb. 17, 2025

The United Nations says millions of Afghans ar facing a second winter without enough to eat.

From Reuters ● Jul. 26, 2022

Un ddraig ar y crys, Jules Rimet yn dal i ddisgleirio.

From The Guardian ● Mar. 24, 2022

Cam Talbot made 28 saves to help the Wild extended ar franchise record with their 10th straight home win.

From Washington Times ● Mar. 24, 2021

Bryng us in no eggys, for ther ar many schelles.

From "The Story of Music" by Howard Goodall

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