Ar

¹

or Ar.

abbreviation for

1. Arabic ( def 5 ).

-ar

²

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

Ar

³

Symbol, Chemistry.

1. argon.

-ar

⁴

1. variant of -er ², often under the influence of a spelling with -ar- in a cognate Latin noun:

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

-ar

⁵

1. variant of -er ¹ on the model of -ar ², used in the formation of nouns of agency: liar; beggar .

AR

⁶

abbreviation for

1. annual return.
2. (loosely) AR-15 ( def ).
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 ( def ).
6. augmented reality ( def ).

A/R

⁷

or a/r

1. account receivable.
2. accounts receivable.

ar-

⁸

1. variant of ad- before r: arrears.

ar.

⁹

abbreviation for

1. arrival.
2. arrive; arrives.

a.r.

¹⁰

abbreviation for

1. Insurance. all risks.

A.R.

¹¹

abbreviation for

1. annual return.
2. Army Regulation; Army Regulations.

-ar

¹

suffix forming adjectives

1. of; belonging to; like

   linear

   minuscular

   polar

Ar

²

the chemical symbol for

1. argon

AR

³

abbreviation for

1. Arkansas
2. Autonomous Region
3. AlsoA/R (in the US and Canada) accounts receivable

Ar.

⁴

abbreviation for

1. Arabia(n)
2. AlsoAr Arabic

a.r.

⁵

abbreviation for

1. anno regni

ar

⁶

the internet domain name for

1. Argentina

Word History and Origins

Origin of Ar¹

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

Word History and Origins

Origin of Ar¹

via Old French -er from Latin -āris, replacing -ālis ( -al ¹) after stems ending in l

Origin of Ar²

Latin: in the year of the reign

Example Sentences

In his call to authorities about the mosque, he claimed that he had an illegally modified AR-15, a Glock 17 pistol, pipe bombs and Molotov cocktails.

From Los Angeles Times

AR combines the digital and real world, often using a headset or mobile device to add details into the user's view.

From BBC

The grandson armed himself with an AR-15 and began searching for the suspects on a golf cart, authorities said.

From Los Angeles Times

Their first daughter, AR, was then born at the end of 2021.

From BBC

AR Rahman was one of the first South Indian artists to work with mainstream acts, but he did so using Bollywood and film music, most notably with the Oscar-winning soundtrack for Slumdog Millionaire.

From BBC