Main definitions of ar in US English:

: Ar1AR2

Ar1

  • The chemical element argon.

Main definitions of ar in US English:

: Ar1AR2

AR2

  • 1Accounts receivable.

  • 2US Arkansas (in official postal use).

  • 3Army Regulation.

  • 4Autonomous Republic.

  • 5Augmented reality.

  • 6Arunachal Pradesh.