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

The young man, who requested anonymity, shared with Y Byd ar Bedwar - S4C’s current affairs programme - a series of messages where Edwards referred to him as “babe” and “big boy” and signed off with kisses.

From BBC

Y Byd ar Bedwar's makers made repeated attempts to contact Edwards, but he did not respond to their messages.

From BBC

It reads: "Os bydd toriad pwer, ffoniwch ni ar 105, dim ots i bwy rydych chi'n talu eich bil."

From BBC

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