Ar

or Ar.


abbreviation

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Definition for Ar (2 of 11)

Ar

Symbol, Chemistry.

argon.

Definition for Ar (3 of 11)

AR

abbreviation

annual return.
Arkansas (approved especially for use with zip code).
Army Regulation; Army Regulations.

Definition for Ar (4 of 11)

ar-

variant of ad- before r: arrear.

Definition for Ar (5 of 11)

-ar1

variant of the adjective-forming suffix -al1, joined to words in which an l precedes the suffix: circular; lunar; singular.

Origin of -ar

1
<Latin -āris; replacing Middle English -er<Anglo-French, Old French <Latin -āris

Definition for Ar (6 of 11)

-ar2

variant of -er2, often under the influence of a spelling with -ar- in a cognate Latin noun: burglar; cellar; collar; mortar; poplar; scholar; vicar; vinegar.

Definition for Ar (7 of 11)

-ar3

variant of -er1 on the model of -ar2, used in the formation of nouns of agency: liar; beggar.

Definition for Ar (8 of 11)

ar.

arrival.
arrive; arrives.

Definition for Ar (9 of 11)

a.r.

Insurance. all risks.

Definition for Ar (10 of 11)

A/R

or a/r


account receivable.
accounts receivable.

Definition for Ar (11 of 11)

A.R.

annual return.
Army Regulation; Army Regulations.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for Ar (1 of 6)

ar

the internet domain name for

Argentina

British Dictionary definitions for Ar (2 of 6)

Ar

the chemical symbol for

argon

British Dictionary definitions for Ar (3 of 6)

AR

abbreviation for

Arkansas
Autonomous Region
Also: A/R (in the US and Canada) accounts receivable

British Dictionary definitions for Ar (4 of 6)

-ar

suffix forming adjectives

of; belonging to; likelinear; polar; minuscular

Word Origin for -ar

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

British Dictionary definitions for Ar (5 of 6)

a.r.

abbreviation for

anno regni

Word Origin for a.r.

Latin: in the year of the reign

British Dictionary definitions for Ar (6 of 6)

Ar.

abbreviation for

Arabia(n)
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

Medical definitions for Ar

Ar

The symbol for the elementargon
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for Ar

Ar

The symbol for argon.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.