\nˈɒlɪd͡ʒəbə͡l], \nˈɒlɪdʒəbəl], \n_ˈɒ_l_ɪ_dʒ_ə_b_əl]\
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thoroughly acquainted with and skilled in something through study or experience; "well versed in classical languages"
By Princeton University
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- a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are and B AB O