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AB, Bachelor of Arts, BA, Artium Baccalaurens | a bachelor's degree in arts and sciences | |
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Ab, Av | the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August) | |
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abdominal, abdominal muscle, ab | the muscles of the abdomen | |
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AB, type AB, group AB | the blood group whose red cells carry both the A and B antigens |