i Register
In some senses, ar is marked as informal, obsolete, UK. Watch for register when choosing this word.
ar
UK /ˈɑː/ US /ˈɑɹ/
noun 7name 3particle 2adj 1intj 1
Definitions
adj
1
Initialism of autoregressive.
noun
1
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
An assault rifle or automatic rifle.
3
Initialism of acknowledgment of receipt.
4
Initialism of age regression.
5
Initialism of augmented reality.
Near-synonyms: MR, mixed reality, spatial computing, CPS, cyber-physical system
(Cover started out as a company in the AR and VR business, but moved into the virtual talent sector; Ichikara is a startup designed to support their virtual talent)
name
1
Abbreviation of Arkansas: a state of the United States.
2
Abbreviation of Arunachal Pradesh: a state of India.
3
Abbreviation of American Revolution
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