ar-


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ar-

var. of ad- before r: arrear.

-ar1

,
var. of -al1, joined to words in which an l precedes the suffix: circular; lunar; singular.
[< Latin -āris; replacing Middle English -er < Anglo-French, Old French < Latin -āris]

-ar2

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

-ar3

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

AR

1. Arkansas.
2. army regulation.

Ar

Arabic.

Ar


Chem. Symbol.
argon.

ar.

1. arrival.
2. arrive; arrives.

A/R

accounts receivable.
References in periodicals archive ?
Readers who may have purchased AR- 15s and wondered about the small slot on the right side now know the reason for its presence.
The original AR- 180 has two pins that extend from the operating guide rod plate and mate with holes in the lower receiver.
We also tested Hornady 55-grain TAP Urban and Winchester 50-grain Silvertip law enforcement ammunition, as the AR- 180 has excellent potential for law enforcement use.