AR
Arkansas, Land of Opportunity, AR, Ark.
(noun) a state in south central United States; one of the Confederate states during the American Civil War
are, ar
(noun) a unit of surface area equal to 100 square meters
argon, Ar, atomic number
(noun) a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth’s atmosphere
Source: WordNet® 3.1
Noun
ar (plural ars)
The name of the Latin-script letter R.
Interjection
ar
(UK, West Country, West Midlands) Alternative form of arr
Particle
ar
(UK, West Country, West Midlands) Alternative form of arr
Verb
ar
Obsolete spelling of are.
Anagrams
• RA, Ra
Adjective
AR (not comparable)
(statistics) Initialism of autoregressive.
Noun
AR (countable and uncountable, plural ARs)
(countable) an AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun
(accounting, uncountable or plurale tantum) Initialism of accounts receivable.
(sports, countable) area record: best achievement among those by persons from a given continent
Initialism of armed robbery.
(computing, chiefly, uncountable) Initialism of augmented reality.
(countable) Initialism of aspect ratio.
(fan fiction) alternate reality
(meteorology) Initialism of atmospheric river.
(emergency medicine) Initialism of artificial respiration.
(philately, postal service) Initialism of acknowledgment of receipt.
Proper noun
AR
Postal abbreviation of Arkansas
Synonyms
• (Arkansas): Ark. (standard, not postal, abbreviation)
Anagrams
• RA, Ra
Source: Wiktionary