Other Definitions ab (enc) ab (enc) ab (dict)
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Ab| Noun | 1. | AB - the blood group whose red cells carry both the A and B antigens | | | 2. | AB - a bachelor's degree in arts and sciences | | | 3. | Ab - the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)Hebrew calendar, Jewish calendar - (Judaism) the calendar used by the Jews; dates from 3761 BC (the assumed date of the creation of the world); a lunar year of 354 days is adjusted to the solar year by periodic leap years | | | 4. | ab - the muscles of the abdomenskeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes | |
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