A1

What is the full meaning of A1? What does A1 stand for?

  1. A1 stands for Adenosine Subtype-1 Receptor
  2. A1 stands for Angel One (paintball)
  3. A1 stands for Atropine 1% (medical product)
  4. A1 stands for Excellent (rating)
  5. A1 stands for General Audiences (Catholic movie rating)
  6. A1 stands for Mobilkom Austria