blood type

Definitions of blood type
  1. noun
    human blood cells (usually just the red blood cells) that have the same antigens
    synonyms: blood group
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    types:
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    A, group A, type A
    the blood group whose red cells carry the A antigen
    B, group B, type B
    the blood group whose red cells carry the B antigen
    AB, group AB, type AB
    the blood group whose red cells carry both the A and B antigens
    O, group O, type O
    the blood group whose red cells carry neither the A nor B antigens
    Rh positive, Rh-positive blood type
    the blood group (approximately 85% of people) whose red cells have the Rh factor (Rh antigen)
    Rh negative, Rh-negative blood, Rh-negative blood type
    the blood group whose red cells lack the Rh factor (Rh antigen)
    type of:
    blood
    the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets
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