[ noun ] (immunology) the blood group whose red cells carry both the A and B antigens
Used in print(M. Yokoyama et al., "Chemical and serological...)
These fractions were tested for ABO agglutinin activity , using fractions from group AB plasma as a control .
[ noun ] (education) a bachelor's degree in arts and sciences
Used in print(Bell I. Wiley, "Home Letters of Johnny Reb and Billy...)
On December 9 , 1862 , Sergeant_Edwin_H._Fay , an unusual Louisianan who held A._B. and M._A. degrees from Harvard_University and who before the war was headmaster of a private_school for boys in Louisiana , wrote his wife :