AB


Meaning of AB in English

I. noun Date: 1927 the one of the four ~O 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 able-bodied seaman, airborne, airman basic, Alberta, bachelor of arts

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.