blood group

noun

Definition of blood group 

: one of the classes (such as those designated A, B, AB, or O) into which individuals or their blood can be separated on the basis of the presence or absence of specific antigens in the blood

called also blood type

First Known Use of blood group

1916, in the meaning defined above

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The first known use of blood group was in 1916

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blood group

noun

Medical Definition of blood group 

: one of the classes (as A, B, AB, or O) into which individual vertebrates and especially human beings or their blood can be separated on the basis of the presence or absence of specific antigens in the blood

called also blood type

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