AB


Meaning of AB in English

I. ˈā-ˈbē noun

Date: 1927

: the one of the four ABO blood groups characterized by the presence of antigens designated by the letters A and B and by the absence of antibodies against these antigens

II. abbreviation

1. able-bodied seaman

2. airborne

3. airman basic

4. Alberta

5.

[New Latin artium baccalaureus ]

bachelor of arts

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.