English Dictionary

AR

noun

(countable, weaponry) an AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.

I bought three ARs for my collection.

意味（1）

(countable, weaponry) an AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.

意味（2）

(countable, weaponry, informal) an assault rifle or automatic rifle.

意味（3）

(biochemistry) Initialism of androgen receptor.

意味（4）

(accounting, uncountable or plural only) Initialism of accounts receivable.

意味（5）

(sports, countable) area record: best achievement among those by persons from a given continent

意味（6）

(sports, US, countable) Abbreviation of American record., national record for the United States.

意味（7）

(crime) Initialism of armed robbery.

意味（8）

(computing, chiefly uncountable) Initialism of augmented reality.

意味（9）

(countable) Initialism of aspect ratio.

意味（10）

(fan fiction) alternate reality

意味（11）

(meteorology) Initialism of atmospheric river.

意味（12）

(emergency medicine) Initialism of artificial respiration.

意味（13）

(philately, postal service) Initialism of acknowledgment of receipt.

意味（14）

(law, politics) Initialism of assembly resolution.