- Abbreviation of airborne.
- Airman Basic.
- Alberta, Canada.
- AB is the name of a major blood group usually enabling a person whose blood is of this type to donate blood to persons of type AB and to receive blood from persons of type O, A, B, or AB.
- A formal element occurring in loanwords from Latin, where it meant “away from”:
- AB is a Turkish abbreviation which stands for Avrupa Birliği (European Union)
What is AB and what does AB mean? Read about the definition and meaning of AB