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Ar

1
or Ar.

abbreviation for



-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.

-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.

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

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Word History and Origins

Origin of Ar1

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

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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

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