stands for Excellent (rating) A1 stands for General Audiences (Catholic movie rating) A1 stands for Angel One (paintball) A-1 stands for Alpha-1 Red Right Hand (gaming) A1
stands for Atropine 1% (medical product) A-1 stands for Douglas Skyraider Attack Bomber (WW II, Korea, Vietnam) A1 stands for Adenosine Subtype-1 Receptor