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AR

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AR¹

Where it comes from

Abbreviation.

adjective

  1. abbreviation, initialism, not comparable Initialism of autoregressive.autoregressive

noun ARs

  1. countable An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives. In its August 2003 issue, while the ban was still in effect, Guns & Ammo ran a feature story titled “Stoner’s ‘Black Rifle’ Marches On,” subtitled “The basic AR platform has been refined, improved, upgraded, power-boosted and accurized.”
  2. countable, informal An assault rifle or automatic rifle.
  3. abbreviation, initialism, plural, plural only, uncountable Initialism of accounts receivable.accounts receivable
  4. abbreviation, countable, initialism, uncountable Initialism of acknowledgment of receipt.acknowledgment of receipt
  5. abbreviation, countable, initialism, uncountable Initialism of age regression.age regression
  6. abbreviation, initialism, uncountable Initialism of augmented reality.augmented reality Near-synonyms: MR, mixed reality, spatial computing, CPS, cyber-physical system
  7. abbreviation, countable, initialism, slang, uncountable Initialism of alternate reality.alternate reality
  8. US, abbreviation, countable, initialism Initialism of American record, national record for the United States.American record
  9. abbreviation, countable, initialism, uncountable Initialism of administrative rule or administrative regulation.administrative rule or administrative regulation As I was going over the AR book for my status change, I read several other ARs I believed the institution was violating so I decided to ask about them at the meeting.
  10. abbreviation, countable, initialism, uncountable Initialism of androgen receptor.androgen receptor
  11. abbreviation, countable, initialism Initialism of area record, best achievement among those by persons from a given continent.area record
  12. abbreviation, countable, initialism, uncountable Initialism of armed robbery.armed robbery
  13. abbreviation, countable, initialism, uncountable Initialism of artificial respiration.artificial respiration
  14. abbreviation, countable, initialism Initialism of aspect ratio.aspect ratio
  15. abbreviation, countable, initialism, uncountable Initialism of assembly resolution.assembly resolution
  16. abbreviation, countable, initialism, uncountable Initialism of atmospheric river.atmospheric river
  17. abbreviation, countable, initialism, uncountable Initialism of aerial refueling.aerial refueling

proper noun

  1. abbreviation Abbreviation of Arkansas: a state of the United States.Arkansas
  2. abbreviation Abbreviation of Arunachal Pradesh: a state of India.Arunachal Pradesh
  3. abbreviation Abbreviation of American Revolution

ar²

  • /ˈɑː/ UK
  • /ˈɑɹ/ US
  • /ˈaɹ/ Ireland
  • /ˈäːɹ/ Ireland
  • /ˈɑɹə/

Rhymes with -ɑː, -ɑɹ, -ɔɹ, -ɑɹə

Where it comes from

From Middle English *ar, arres pl, from earlier *er.

noun ars

  1. The name of the Latin script letter R/r. All the ars in the inscription.

ar³

  • /ˈɑː/ UK
  • /ˈɑɹ/ US
  • /ˈaɹ/ Ireland
  • /ˈäːɹ/ Ireland
  • /ˈɑɹə/

Rhymes with -ɑː, -ɑɹ, -ɔɹ, -ɑɹə

interjection

  1. UK, West Country, West Midlands, alternative Alternative form of arr.arr

particle

  1. UK, West Country, West Midlands, alternative Alternative form of arr.arr

ar⁴

  • /ˈɑː/ UK
  • /ˈɑɹ/ US
  • /ˈaɹ/ Ireland
  • /ˈäːɹ/ Ireland
  • /ˈɑɹə/

Rhymes with -ɑː, -ɑɹ, -ɔɹ, -ɑɹə

verb

  1. obsolete Obsolete spelling of are.are But commonlie, the fairest bodies, ar bestowed on the foulest purposes.

ar⁵

  • /ˈɑː/ UK
  • /ˈɑɹ/ US
  • /ˈaɹ/ Ireland
  • /ˈäːɹ/ Ireland
  • /ˈɑɹə/

Rhymes with -ɑː, -ɑɹ, -ɔɹ, -ɑɹə

particle

  1. Manglish, Singlish, alternative Alternative form of ah (question particle).ah

Ar⁶

noun Ars

  1. Alternative letter-case form of ar.ar

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