Definition of 'ab'

Noun

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

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